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Kerala Plus One Political Science Chapter Wise Questions and Answers Chapter 3 Equality

Equality Questions and Answers

Question 1.
What is Equality?
Answer:
Equality is the situation where everybody gets the same rights. Equality wants all persons to be equal before the law and everybody should be given the same kind of legal protection.

Question 2.
Why does equality matter?
Answer:
Equality means all persons are equal and they should be given equal opportunities, considerations, recognition, and wages. Man fought forages for the equality of people. The concept of Equality originated and grew as a protest against the gross inequalities found in the societies. Only if all persons in the society are given equal opportunities, full individual development will be possible.

Question 3.
Prepare a note on Equality of Opportunities.
Answer:
In the 16th article of the Indian Constitution, the principle of Equality of Opportunities is mentioned. It means equal opportunities should be given to citizens in government services, educational institutions, etc. without any discrimination. All citizens are also given the right to vote on the basis of universal adult franchise. They have the right to contest in the elections and hold public offices. In all these, there are equal opportunities

Question 4.
Prepare a chart showing different types of equality.
Answer:
Lord Bryce talks about 4 kinds of equality. They are Natural Equality, Civil Equality, Political Equality, and Social Equality. Modern thinkers have added another one as a fifth one – Economic Equality. It can be presented as follows.

Question 5.
Examine the relations between liberty and equality
Answer:
There is an inseparable relation between liberty and equality. Liberty and equality are like the two sides of a coin. Equality without liberty is meaningless. Here are their relations:
a. Somebody who takes the words in their bare meaning, he may argue that they are contradictory.
b. Full liberty will deny it to many people and thus destroy equality.
c. A certain amount of control on a person’s liberty comes in full equality.
d. The concept of full liberty and full equality can only be a myth.
e. It is in practical situations that liberty and equality are practiced. It is not in an imaginary situation. Only in a stable society, they can be practiced.
f. Liberty on a large scale will ensure that everybody gets it.
g. Equality on a large scale is inevitable for the continued existence of liberty.,
h. Therefore liberty and equality are complementary and not contradictory.

Question 6.
Explain Natural and Economic equalities.
Answer:
Equality is of different kinds. Two of them are Natural Equality and Economic equality. Natural equality is what Nature has given us as a gift. It is our natural right. The three natural equalities are: Freedom to live, freedom to have rights and, freedom to own property. Only in a society where there is economic equality, other forms of equality can have any meaningful existence.

The relation between Natural Equality and Economic equality is shown below: Natural Equality: This idea came up connecting it to natural law. It.saysthat nature created everyone equal. The spokespersons of natural equality say that inequalities are human creations and society should be freed from them. Natural Equality is a mere ideal. Even the concept that nature created all as equals itself is untrue.

Economic equality means the resources of the nation should be enjoyed equally by all. It talks about the eradication of poverty. Although complete equality is impossible, at least a person’s basic needs should be fulfilled. It does not want resources to be monopolized in a few hands. Everyone should have the right to work, to get reasonable wages and also rest. Ideologies like Socialism stress economic equality.

Question 7.
Examine the causes leading towards natural and social inequalities.
Answer:
Lack of circumstances in which a poor man can’t use his voting right properly.
Misuse of voting rights.
Poverty
Inability of the poor to hold high ranks and have authority.
Illiteracy
Unemployment
The rich taking control of the political parties.
Lack of honest media, both print and electronic
Casteism

Question 8.
Complete the following chart:

Answer:

Question 9.
Prepare a seminar report on three different types of equality such as political equality, economic equality and social equality.
Answer:
The Political Science students of Class XI of Kozhikode Government Higher Secondary School conducted a seminar on the topic “Three Different Types of Equality”. The students of the Class were divided into 3 groups and they discussed the relevant portions of the Text. The leaders of each group presented their views

a) Political Equality: To ensure political equality in a society, people should have the opportunities to take part in active politics. Only if they have the right to play their role in the affairs the nation, there will be political equality there. They should have following rights:
i) To participate in the election of the government.
ii) To contest in the elections.
iii) The right to hold public office.
iv) The right to creatively criticize the government through the print and electronic media and through speeches.
The right to criticize the government using any legal medium.
vi) The right to form political parties.

b) Economic Equality: The meaning of Economic Equality is that all citizens must be able to enjoy the nation’s resources equally. This is important for the eradication of poverty. To achieve Economic Equality, the following should be ensured:
i) Make circumstances so that all citizens can earn their livelihood.
ii) All citizens should have enough income to meet their needs.
iii) There should be no gross inequality in wealth in the society.
iv) There should be no economic exploitation of man by man.
The distribution of the means of production and wealth should be controlled, aiming at the welfare of all in the society.

c) Social Equality: This means that all in the society have equal social status. Nobody should have special rights. All should have opportunities to develop their personality. In short, nobody should be given any special consideration in name of caste, religion, race or riches. The Human Rights Declaration by the UN is good for ensuring social equality.

To ensure social equality, equal opportunities should be provided to all. There should no divisions on the basis of caste, religion, race, riches, and gender. There should be Rule of law which ensures that all are equal before the law. Casteism must be abolished completely. The government and the society should do all they can to uplift the marginalized communities and bring them into the mainstream society. Conclusion: After the presentation, a meaningful discussion followed. The teacher added more points. It was a good seminar.

Question 10.
Match column B & C with Column A.

Answer:

Question 11.
What is the liberal position on equality?
Answer:
a) In a society, the efficient and just means of distributing resources and rewards is competition.
b) Nation should ensure that all are given minimum standard of life and equal opportunities.
c) There will be no inequality when competition is open and free.
d) Political, economic and social opportunities are not mutually connected.

Question 12.
Point out the Marxian position of equality.
Answer:
Marxists refuse to accept the concept of natural equality.

• Most of the social, economic and political inequalities existing in human relations today are historically created. They are therefore not natural.
• Since they are humanly created, they can be solved by human efforts.
• The origin of this inequality comes from the division between mental and physical efforts and from the division between primary producers and the owners of production.
• This division of labor led to the formation of two important classes. One class exploited the other.
• Therefore for the Marxists, the problem of the abolition of inequality is primarily the problem of the abolition of class dominance, exploitation and class distinction.
• Only in a society where there is no class distinction, can there be equality.
• The social control theory of such a society will be not “Each person according to his ability, but each person according to his needs.”

Question 13.
Prepare a chart showing how we can promote equality.
Answer:

Question 14.
“Political parties are controlled by the rich.” Do you agree with this statement?
Answer:
Yes, I do. The fact that more than 100 members of the Indian Parliament are billionaires justifies this statement.

Question 15.
Match the following:

Answer:

Question 16.
Identify suitable examples for the following:
a) Equal rights
b) Equal opportunities
c) Favorable action
Answer:
a) Right to Vote
b) Opportunity for jobs
c) Reservation

Question 17.
What do you mean absolute equality?
Answer:
Absolute or complete equality is an impossible concept. Man, even by nature, is not equal in physical and mental abilities. There are differences among people in body structure, capabilities, attitudes, likings, etc.

Lasky felt that since people’s needs and capabilities are different, it is impossible to behave with them equally. The needs and capabilities of a mathematician are not the same as a brick-maker. Therefore it is not possible to see or consider them equally.

Question 18.
……….. is the idea that all persons are equal.
Answer:
Equality

Question 19.
From the following find out what constitutes equality:
a) Political equality
b) Social equality
c) Economic equality
d) All of these

Question 20.
It was in the ………… Revolution that the slogan “Liberty, Equality, and Fraternity” was raised.
Answer:
French

Question 21.
……….. inequality is the inequality that results from the differences in abilities and features that come by birth.
Answer:
Natural

Question 22.
What kind of equality is the right to vote?
Answer:
Political equality

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Kerala Plus One Political Science Chapter Wise Questions and Answers Chapter 2 Freedom

Freedom Questions and Answers

Question 1.
What is freedom?
Answer:
Freedom is the circumstance needed for showing a person’s individuality. In other words, freedom is the lack of control. It is possible to define freedom as the most essential factor for the development of one’s personality.

Question 2.
What is meant by freedom? Is there any relationship between freedom for the individual and freedom for the nation?
Answer:
Freedom means providing an atmosphere where a person has opportunities to develop his individuality. It is when a person can take independent decisions and act independently we say there is freedom. A person should not be controlled by external forces. Freedom also means when persons are able to increase their capabilities and qualities. Society must provide an atmosphere where the Nation, Community, Groups, and individuals can develop properly. Only in a sovereign nation, individuals can get freedom. So for the freedom of individuals freedom of the nation is inevitable.

Question 3.
Prepare a chart showing different types of freedom.
Answer:

Question 4.
What is the difference between the positive and negative concepts of liberty?
Answer:
Freedom means free from all kinds of control. If this is put into practice, there will be jungle law which is might is right. The strong will dominate the weak and the strongest man will have to be revered by all in the society. Since this negative concept of freedom is not acceptable, the nation has to control freedom. The positive concept of freedom is the removal of obstacles. Negative freedom will lead the nation to an undesirable state. Positive freedom will help in the progress of the nation and the protection of the rights of all individuals.

Question 5.
What is meant by social constraints? Are constraints necessary for enjoying freedom?
Answer:
The members of a society where there are only very limited constraints, the individuals can develop their capacities to the fullest extent. Such a society will be called a free society. The constraints on liberty can be in the forms of external control or dominance. As a result of social evils like casteism also there can be controls for freedom. Serious economic inequality in the society can also bring in such controls.
Why does control become necessary?

• We can’t live in this world without some kind of control.
• There will be differences of opinion among people regarding ideas and concepts.
• There can be a hundred and one reasons for having differences in the society. These differences may lead into open confrontations. People may fight on the roads as they drive.
• There can be quarrels about parking space. There can be fights regarding house or land. There can be differences of opinion even about presenting a drama. Things like this can lead to conflicts, physical violence, and even murder.
• Therefore to settle arguments and control violence, every society needs some kind of control mechanism.
• An ideal society is the one in which people can retain their ideas and by making their own conditions live as they wish.

Question 6.
Construct a table showing the merits and demerits of liberalism.
Answer:

Question 7.
Construct a flow chart showing the safeguards of liberty.
Answer:

Question 8.
Point out the various sources of constraints.
Answer:
a) Dominance
b) External controls
c) Social and Economic Inequalities

Question 9.
Does the State have any role in upholding the freedom of its citizens? Explain.
Answer:
Yes, there is. The control over the freedom of individuals can be in the form of external control or in the form of authority. These controls can be enforced by the use force. Or they can be brought through government laws. Ruling authorities will have the backing of the use of force. If the government is democratic, people can exercise some control over the rulers. That is why it is said that the most important means of protecting people’s freedom is democratic rule.

Question 10.
What do you mean by freedom of expression? Explain using examples.
Answer:
Freedom of expression means the ability to speak one’s opinion openly without any external pressure and without any fear of external intervention. For example, our ability to speak openly our opinion about the Lok Pal Bill.

Question 11.
Find the odd one out from the lists.
a) Right to vote, Right to Work, Right to Contest in Elections, Right to hold public office.
b) Right to Work, Right to rule, Right to Security, Right to sell things.
Answer:
a) Right to Work
b) Right to sell things.

Question 12.
Twelve different kinds of liberty are given below:
a. Right to Vote,
b. Right to Freedom of Expression,
c. Right to Work,
d. Right to Produce and Sell things,
e. Right to Religion,
f. Right to Contest in Elections,
g. Right to Get Adequate Wages,
h. Right to life,
i. Right to Hold Public Office,
j. Right to Criticise,
k. Right to Assemble,
I. Right to security.
Arrange the above rights under three headings :
i) Citizen Rights,
ii) Economic Rights and
iii) Political Rights.
Answer:

Question 13.
What do you mean by Harm Principle?
Answer:
The Harm Principle was proposed by J.S. Mill in his famous book “On Liberty”. It says: “The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others.”

Question 14.
What is the relation between law and liberty?
Answer:
a. The relation between law and liberty is a controversial issue.
b. Some thinkers believe that law & liberty are ideas opposed to each other.
c. The more laws, the less freedom.
d. Enforcing law means curtailing freedom. In Ancient Greece, people with their wrong reasoning maintained this view.
e. The Laissez-faire theory prevalent in the 18th and centuries also held this view.
f. Anarchists tried to do away with government to ensure full freedom to individuals.
g. In opposition to this, law was considered as a condition for freedom.
h. Freedom is what we enjoy when we obey the law of the nation.
i. Excess of laws and harmful laws adversely affect freedom.

Question 15.
‘Liberty is not licensed’. Do you agree with this statement? Explain.
Answer:
1 agree. Liberty is not licensed to do anything one likes without any sort of control. Man is a social creature. When living in a society, some controls are necessary.

Question 16.
Name any four devices to protect liberty.
(Choose any four from the following)
Answer:
a. Democracy
b. Written down Fundamental Rights
c. Independent Judiciary
d. Rule of Law
e. Economic Equality
f. Decentralization of Power
g. Independent and Truthful Media
h. Party System
i. Political Education
j. Right to Equality
k. Constant Vigilance

Question 17.
What do you know about Swaraj? Summarise Gandhiji’s ideas about Swaraj.
Answer:
This is the Indian political concept regarding freedom. ‘Swa’ means self and ‘raj’ meaning rule. Swaraj is a combination of these two words. It means self-rule. However, Gandhiji’s concept of Swaraj had its own meaning. In his book ‘Hind Swaraj’ (1909), he has explained his concept of Swaraj. Gandhiji believed that swaraj means self-control. It is only when we learn to rule ourselves there will be Swaraj.

Swaraj is not mere freedom. It is the freedom to reclaim from institutions that destroy human virtues, a person’s self-esteem, his sense of responsibility and to ensure his fulfillment. Gandhiji believed that in the attainment of Swaraj a person’s individuality and its relations with the community and society play a crucial role.

Question 18.
Prepare a note on liberalism.
Answer:
Liberalism comes from the Latin word ‘liberalism which means a free man. Liberalism was a political theory that became popular in the 19th century and it considered freedom like oxygen to life. It gave great importance to personal freedom. Liberals supported a person’s right to hold fast to his opinions and beliefs and to express them freely.

Modern liberalism gives individual the primary place. This is what makes liberalism different from others. Liberals think that institutions like farrying, group or community do not have any existence of their own. They give greater importance to personal freedom than to values like Equality. They look at political power with suspicion and anxiety. J.S. Mill, T.H. Green and Mahadev Govind Ranade are the protagonists of modern liberalism.

Question 19.
Whose autobiography is “Long Walk to Freedom”?
Answer:
Nelson Mandela’s

Question 20.
Who introduced the ‘Harm’ Principle?
Answer:
John Stuart Mill

Question 21.
Two levels of liberty are ………. and …………
Answer:
Negative, Positive

Question 22.
Complete the table:

Answer:

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Kerala Plus One Political Science Chapter Wise Questions and Answers Chapter 1 Political Theory: An Introduction

Political Theory: An Introduction Questions and Answers

Question 1
What is Politics?

Answer:
The word politics was first used by Aristotle, who is the Father of Political Science. The Greek ‘polis’ means related to city. It is from this word, ‘politics’ came. It actually means the ideas regarding the administration of the City-States of ancient Greece. In the modern period, politics is a political art.

Question .2
What do you mean political theory?

Answer:
Political theory or political vision is the ideas regarding the relations between men, the social creature, and the Nation. In Political Theory we learn the following:
a. Studies about Man.
b. Studies regarding administration and government.
c. Studies about political dynamics.
d. Studies about political philosophy.
e. Studies about International Relations.

Question .3
Who is the father of political science?

Answer:
Aristotle.

Question .4
Point out the advantages of studying Political Theory.

Answer:
There is much importance in the study of Political Theory. The knowledge about politics, which controls a person’s activities even before the start of his life to even after his death is inevitable. Its importance can be given thus:
a. Political theories give a philosophical base for the political activities.
b. Political theories help in placing administration (government), rule of law, dispensation of justice, etc. which are essential features of a nation, in a definite and organized framework.
c. They help in understanding and evaluating past experiences and historical events.
d. It is through political theories that technical terms are interpreted and they are given precision and clarity.
e. Political theories support the building of a political system beyond the consideration of time and terrain to ensure a creative political life.
f. Philosophy is the highest form of human thought and wisdom. Political theories are the essence of constant searches trying to elevate human life to an ideal level of perfection.
g. All the creative and practical human activities need two essential things: the support of moral values and a theoretical base. Political theories make these available.

Question .5
In Political theory, we study several things. Prepare a flow chart showing them.

Answer:

Question 6.
Distinguish between Politics and Political Theory.

Answer:
The word politics was first used by Aristotle, who is the Father of Political Science. The Greek ‘polis’ means related to city. It is from this word, ‘politics’ came. It actually means the ideas regarding the administration of the City-States of ancient Greece. In the modern period, politics is a political art. Political theory or political vision is the ideas regarding the relations between men, the social creature, and the Nation. In Political Theory we learn the following:
f. Studies about Man.
g. Studies regarding administration and government.
h. Studies about political dynamics,
i. Studies about political philosophy.
j. Studies about International Relations.

Question 7.
Prepare a note on the origin and growth of political theory.

Answer:
Origin and Growth of Political Theory: Plato records that discussions regarding Political theories were started by Socrates. Socrates made a start seeking the meaning of justice among the Athenian citizens. Plato’s search was continued by his disciple Aristotle. It is therefore said that political theory started in the Western world with Socrates and Plato. Thinkers from Aristotle to Marx have given significant contributions to the growth of political theory.
In political science the following areas have the most important places:
a. Political theory handles ideas and principles that formulate the Constitution, government and social life.
b. It examines the importance of ideas like Rule of Law, Division of Authority and Judicial Review.
c. It explains the meaning of freedom, equality, democracy, and secularism.

Question 8.
What do we study in political theory?

Answer:
We study the following in political theory:
a. Political theory handles ideas and principles that formulate the Constitution, government and social life.
b. It examines the importance of ideas like Rule of Law, Division of Authority and Judicial Review.
c. It explains the meaning of freedom, equality, democracy, and secularism.
d. It also discusses the origin of government, development, formation, activities, the relations between people and the government and people’s rights and responsibilities.

Question 9.
Every individual is directly or indirectly involved in the politics of a country. Do you agree with this statement? Substantiate.

Answer:
I agree. In our day-to-day lives, our activities are controlled by-laws made by the government. Giving taxes, obeying the law, etc. are fundamental things that each person has to do. We play our role in politics by voting in the election and through our Right to Expression.

Question 10.
Explain how political theory can be put into practice.

Answer:
Political theories are based on political concepts like liberty, equality, citizenship, justice, development, nationality and secularism. Government originated, is existing and its future working, etc. are for putting into practice these political theories. Democratic governments exist to ensure that there is liberty, equality, and fraternity in the society.

Question 11.
Why should we study political theory?

Answer:
The study of political theories is very important. They are essential for all kinds of people like political workers, bureaucrats who make policies, students of political theories, advocates and judges who interpret the Constitution and laws, public workers who expose exploitation and fight for new rights and the students who learn about political concepts. Firstly, all the students will have to choose a profession in the future. The knowledge about political theories is relevant to all professions.

All those who study mathematics will not become mathematicians or engineers. But, obviously, knowledge about mathematics is essential in our everyday lives. Secondly, students of today are also going to be adults with voting rights tomorrow. They will have to take decisions on many issues. Knowledge about political theories and institutions will help them to act responsibly. Thirdly, Political theories motivate them to examine our ideas and emotions regarding political matters. Fourthly, Political theories help them to think systematically about political concepts.

Question 12.
deals with things like Liberty, Equality, and Justice which are values of political life.

Answer:
Political theory

Question 13.
Who is the person that contributed greatly to the growth of political theory?
a) Socrates
b) Plato
c) Rousseau
d) All of the above

Answer:
All of the above persons

Question 14.
Who was the first person to argue that liberty was a fundamental right of all human beings?

Answer:
Rousseau

Question 15.
Who argued that equality is as important as liberty?

Answer:
Marx

HSE Kerala Board Syllabus HSSLive Plus One Chapter Wise Questions and Answers Pdf Free Download in both English Medium and Malayalam Medium are part of Plus One Kerala SCERT. Here HSSLive.Guru has given Higher Secondary Kerala Plus One Chapter Wise Questions and Answers based on CBSE NCERT syllabus.

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HSSLive Plus One Notes Chapter Wise Kerala

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HSSLive Plus One

Kerala Plus One Computer Application Model Question Paper 3

Time: 2 Hours
Cool off time: 15 Minutes
Maximum: 60 Scores

General Instructions to candidates

• There is a ‘cool off time’ of 15 minutes in addition to the writing time of 2 hrs.
• Use the ‘cool off time’ to get familiar with the questions and to plan your answers.
• Read questions carefully before you answering.
• Read the instructions carefully.
• Calculations, figures, and graphs should be shown in the answer sheet itself.
• Malayalam version of the questions is also provided.
• Give equations wherever necessary.
• Electronic devices except non-programmable calculators are not allowed in the Examination Hall.

Part A

Answer all questions from 1 to 5

Question 1.
The Least Significant Digit (LSD) of (1234.56)₁₀ is …………

Question 2.
The process of detecting and correcting errors in a program is called …………….

Question 3.
Name any two keywords in C+ +.

Question 4.
The memory size required for the void data type is ……………

Question 5.
Rewrite the expression a = a + 1 using an arithmetic assignment operator.

Part B

Answer any nine questions from 6 to 16

Question 6.
Find the octal and hexadecimal equivalent of (111101 )₂.

Question 7.
Write a short note on any two utility software.

Question 8.
Redraw the following flowchart by correcting mistakes.

Question 9.
Classify the followings into valid and invalid literals and give a reason for invalid literals.

33,000 +410. 5.6E 82

Question 10.
Consider a = 5 and b = 2 and find the result of the following expressions.

1. a > b
2. a !=b && b > a

Question 11.
Write a short note on any two statements in C+ +

Question 12.
Briefly, explain type promotion with suitable example.

Question 13.
Write the equivalent switch statement for the following.

Question 14.
Define the terms given below.

a. Bandwidth
b. Noise,

Question 15.
Name any four basic elements for data communication.

Question 16.
Write two advantages of Electronic Payment System (EPS).

Part C

Answer any nine questions from 17 to 27

Question 17.
If (X)₁₆ = (Y)₁₀ = (Z)₈ = (11111111)₂. find the values of X, Y and Z.

Question 18.
What is e-waste? Explain any two e-waste disposal methods.

Question 19.
Write an algorithm to find the sum of numbers from 1 to 10.

Question 20.
Explain any two types of programming errors.

Question 21.
Consider the following diagram and answer the question.

Write the base address (Lvalue), content (Rvalue) and Name of variables,

Question 22.
Write short notes on.

a. Preprocessor directive
b. Header file
c. Main() function

Question 23.
What is the use of type modifiers in C++? List any four type modifiers.

Question 24.
Write a C++ program to input an integer and check whether it is positive, negative or zero.

Question 25.
Compare Dialup connection and wired broadband connection.

Question 26.
a. Consider the following email address and write the username and domain name of it.

b. List any four advantages of email.

Question 27.
Explain any three IT-enabled services.

Part D

Answer any two questions from 28 to 30

Question 28.
“Open source software are getting more popular all over the world today”.

a. Write the full form of FSF.

b. Briefly elaborate four freedoms of open source software.

c. Give four examples of open source softwares.

Question 29.
a. List the four different parts of a loop in C++.

b. Compare while loop and do-while loop with suitable example.

Question 30.
a. Define topology,

b. Explain any two topologies.

c. Differentiate HUB and SWITCH.

Answers

Answer 1.
6

Answer 2.
debugging’

Answer 3.
continue, float

Answer 4.
zero. It does not require any memory space.

Answer 5.
a+ = 1

Answer 6.
(111101)₂= 111 → 7, 101 → 5 = (75)₈
(111101)₂ = 0011 → 3, 1101 → D
= (3D)₁₆

Answer 7.
a. Compression tools. Large files can be compressed so that they take less storage area. Compression of files is known as zipping and decompression is called unzipping, eg., WinZip, WinRAR.
b. Disk Defragmenter. It is a program that rearranges files on a computer hard disk. This enables the computer to work faster and more efficiently.

Answer 8.

Answer 9.
33,000: Invalid, Use of special character
(.)
+410. : Invalid. Use of special character
(.)
5.6E: Invalid. No exponent part
82: Valid

Answer 10.

1. True
2. False

Answer 11.
1. Declaration statement. Variables are identifiers of memory locations add are used in programs to refer to data. They should be declared prior to their use in the program and data types are required for this. The syntax of variable declaration is:

data type <variable1>
[, <variable2>, <variable3 >,...];
eg., int rollno, age;

2. Assignment statement. A specific data is stored in memory locations (variables) using an assignment operator (=). The statement that contains = is known as assign.. ment statement. It is also a binary operator and the operand to the left of = should be a variable. The operand after = may be a numeric constant, a variable or an expression of numeric type.

Answer 12.
In implicit type conversion, compiler is responsible for the conversion. It always converts a lower type into, higher one and hence it is also known as type promotion,
eg., For example, the expression 5 / 2 * 3 + 2.5 which gives the result 8.5. The evaluation steps are as follows:
Step 1: 5/2 gives 2 (Integer division) Step 2: 2 * 3 gives 6 (Integer multiplication)
Step 3: 6 + 2.5 gives 8.5 (Boating point addition, 6 is converted into 6.0)

Answer 13.

switch (ch)
{
case ‘P’: cout<<“Pass”;
break;
case ‘F: cout<<“Failed”;
break;
default: cout<<“No result";
}

Answer 14.
a. Bandwidth. It is the maximum amount of data that can be transmitted by the medium. It can be measured in Hertz.
b. Noise. It is the unwanted electrical or electromagnetic interference that adversely affects the transmitted data signals.

Answer 15.
Message. It is the data/information to be transmitted from one computer to another.
Sender. It is a computer or a device that sends data. It is also called source or transmitter.
Receiver. It is a computer or a device that receives data.
Protocol. The rules and conventions for transmitting data.
Medium. It is the path through which message travels from sender to receiver.

Answer 16.
A system of financial exchange between buyers and sellers in an online environment is called an Electronic Payment System (EPS). The financial exchange is facilitated by a digital financial instrument (such as a credit/debit card, electronic cheque or digital cash) backed by a bank and/or an Intermediary.

Answer 17.
1111 → F, 1111 → F
(11111111)₂ = (FF)₁₆ = (X)₁₆
011 → 3, 111 → 7, 111 → 7
(11111111), = (377)_e = (Z)₈
(11111111 )₂ = 1 × 27 + 1 × 26 + 1 × 2s + 1 × 24 + 1 × 23 + 1 × 22 + 1 × 21 + 1 × 2°
= 128 + 64 + 32+ 16 + 8 + 4 + 2 + 1 = 155
,(155)₁₀ = (Y)₁₀

Answer 18.
It is defined as discarded computers, office electronic equipment, entertainment device, mobile phones, television sets, and refrigerators. This global mountain of waste is expected to continue growing at 8% per year.

1. Reuse: It refers to secondhand use or usage after the equipment has been upgraded or modified.
2. Incineration: It is a controlled and complete combustion process in which the waste is burned in specialty designed incinerators at a high temperature in the range of 900 to 1000 degree Celsius.
3. Recycling: It is the process of making or manufacturing new products from a product that has originally served its purpose.
4. Landfilling: In this method, soil is excavated from the trenches made and waste material is buried in it, which is covered by a thick layer of soil.

Answer 19.

Step 1: Start
Step 2: a = 1, s = 0
Step 3: s = s + a
Step 4: a = a + 1
Step 5: Repeat steps 3 to 4 while a<=10
Step 6: Print M
Step 7: Stop

Answer 20.
1. Syntax errors result when the rules or syntax of the programming language are not followed. Such program errors typically involve incorrect punctuation, incorrect word sequence, undefined term, or illegal use of terms or constructs. In the case of interpreters, the syntax errors will be detected and displayed during execution,

2. The logical error is due to the improper planning of the program’s logic. The language processor successfully translates the source code into machine code if there are no syntax errors. The computer actually follows the program instructions and gives the output as per the instructions. But the output may not be correct. This is known as logical errors. In order to determine whether or not there is a logical error, the program must be tested.

Answer 21.
Base address (Lvalue) 3000
Content (Rvalue) 105
Name of variables NUM

Answer 22.
a. Preprocessor directives. A C++ program starts with preprocessor directives. Preprocessors are the compiler directive
‘ statements which give instruction to the compiler to process the information provided before actual compilation starts. The # include is used to link the header files available in the C++ library. There are some other preprocessor directives such as # define, # undef, etc.

b. Header files. It contains the information about functions, objects and predefined derived data types and they are available along with compiler. The header file ios team contains the information about the objects cin and cout.

c. The main() function. The execution starts at main() and ends within main(). If we use any other function in the program, it is called (or invoked) from main(). The function header main() is followed by its body, which is a set of one or more statements within a pair of braces {}. This structure is known as the definition of the main() function. Each statement is delimited by a semicolon (;).

Answer 23.
C++ provides data type modifiers which help us to alter the size, range or precision. It alters the range of values permitted to a data type by altering the memory size and/or sign of values. Important modifiers are signed, unsigned, long and short.

Answer 24.

# include <iostream> 
using namespace std; 
int main()
{
int a;
cout<<“Enter an integer:”; 
cin >> a;
if (a > 0) .
cout<<“The number is positive”;
else if (a < 0) *
cout<<“The number is negative”;
else
cout<<“The number is zero”; return 0;
}

Answer 25.
Dial-up connection. The internet connection is established by dialing into an ISP’s computer. If ISP is not busy they verify the username and password if it is valid they will connect our computer to the internet. It uses Serial Line Internet Protocol (SLIP) or Points to Point Protocol (PPP). It is slower and has a higher er rotate.

Wired Broadband Connectivity. In these, there is a permanent wire connection, between your computer and ISP. So it’s an “always on” connection. It uses a broadband modem and we can use telephone lines while using the internet.

Answer 26.
a. Username my school
b. Domain name gmail.com b. The advantages of email are:

1. Speed is high.
2. It is cheap.
3. We can send email to multiple recipients.
4. Incoming messages can be saved locally.
5. It reduces the usage of paper.
6. We can access mailbox anytime and from anywhere. „

Answer 27.
1. Medical equipment. Most of the modern medical equipment work with the help of computers. Scanners like CT, MRI depends on computers to process their data. Computer-guided lasers are used in surgery, even in the removal of brain tumors etc.

2. Electronic Medical Records (EMR). It is possible to store all patient’s records in digital format. This is known as EMR. EMR is used by doctors for diagnostics and treatment.

3. Web-based support/diagnosis. There are a lot of treatments, therapies, medical journals are available on the internet, which can be referred to by patients. Some websites provide facility f&r identifying their diseases without consulting a doctor. This prediction may not be correct in some time.

Answer 28.
a. Free Software Foundation
b. Freedom 0: The freedom to run a program for any purpose.
Freedom 1: The freedom to study how the program works and adapt it to your needs. Access to source code should be provided.
Freedom 2: The freedom to distribute copies of the software.
Freedom 3: The freedom to improve the program and release your improvements to the public, so that the whole community benefits.
c.

1. GNU / Linux is a computer operating system assembled under the model of free and open source software development and distribution.
2. GIMP (GNU Image Manipulation’Program) is an image editing software.
3. Mozilla Firefox is one of the most popular web browsers. It provides added security features for safe browsing.
4. OpenOffice.org is a complete office software which contains word processor, spreadsheet and presentations.

Answer 29.
a. A looping statement has four components: initialization expression, test expression, update expression, loop body. The loop body is the set of statements for repeated execution. The execution is continued as long as the test expression (condition) is true. The variable used in the test expression, called a loop control variable, gets its initial value through the initialization expression (or statement). Update expression changes the value of the loop control variable. Usually, it takes place after each execution of the loop body.

b. while loop. The condition is checked first and if it is found, True the body of the loop will be executed. That is the body will be executed as long as the condition is True. The syntax of a while loop is, initialization of loop control variable;

while (test expression)
{
body of the loop;
updation of Ipop control variable;
}
eg., int k= 1; while(k<=3)
{
cout << k << `\t’;
++k;
}

do while loop. The condition is checked only after executing the loop body. So it is certain that the loop body will be executed at least once in the case of do while loop.

Syntax is:
initialization of loop control variable; 
do
body of the loop;
updation of loop control variable;
}
while (test expression); 
eg., int k = 1; do {
cout << k << At’;
++k;
}
while (k<=3);

Answer 30.
a. The physical or logical arrangement of computers on a network is called structure or topology. It is the geometrical arrangement of computers in a network,
b.
1. Ring topology. All the computers are connected in the shape of a ring and it is a closed-loop. Here also there is no central computer. Here a computer transmits a message, which is tagged along with its destination computer’s Address. The message travels in one direction and each node checks whether the message is for them. If not, it passes to the next node. It requires only short cable length. Its advantages are no signal amplification required because each node do this and requires less cable, so cost-effective. The main disadvantage is if a node fails, the entire network will fail.

2. Bus topology. All the computers are attached to a single cable, called the bus. If anyone node has to send data to another node, it will send the data to the bus. In the bus, the data travels in both directions. The node that needs the data copies it. A small device called terminator connected at both end of the bus removes the data and frees the bus for next transmission. Advantages are added or remove computer is very easy. It requires less cable length and the installation cost is less. A disadvantage is fault detection is very difficult because of no central computer,

c. Hub. It is a small, simple and inexpensive device used to connect computers (devices) to a network. If a computer wants to transmit data to another computer, first it sends to the hub, the hub retransmits this data to all other computers. Each and every computer gets the data and check whether it is for them or not. It increases the network traffic and hence the transmission speed is low.

Switch. It is an expensive device used to connect computers (device) to a network. Unlike a hub, switch transmit data, not to all computers, it retransmits data only to the intended computer. So the traffic is less and the speed is high.

Plus One Computer Application Previous Year Question Papers and Answers

Kerala Plus One Computer Application Model Question Paper 2

Time: 2 Hours
Cool off time: 15 Minutes
Maximum: 60 Scores

General Instructions to candidates

• There is a ‘cool off-time’ of 15 minutes in addition to the writing time of 2 hrs.
• Use the ‘cool off time’ to get familiar with the questions and to plan your answers.
• Read questions carefully before you answering.
• Read the instructions carefully.
• Calculations, figures, and graphs should be shown in the answer sheet itself.
• Malayalam version of the questions is also provided.
• Give equations wherever necessary.
• Electronic devices except non-programmable calculators are not allowed in the Examination Hall.

Part A

Answer all questions from 1 to 5

Question 1.
JPEG stands for

Question 2.
The process of making or manufacturing new products from the product that has originally served its purpose is called

Question 3.
Program errors are known as

Question 4.
Its value does not change during execution. What is it?

Question 5.
The act of breaking into a secure network to destroy data is called hacking.

Part B

Answer any nine questions from 6 to 16

Question 6.
If (x)₈ = (101011)₂, then find x.

Question 7.
Explain the benefits of a blue-violet laser in BluRay DVD.

Question 8.
When do we use ROM?

Question 9.
What is the runtime error? Explain.

Question 10.
Identify the errors in the following code segments:

a. 
int main()
{
cout<<“Enter two numbers”
cin >> num >> auto
float area = Length * breadth ;
}
b. 
# include <iostream>
using namespace std
void Main()
{
int a, b 
cin<<a <<b 
max=(a > b) a:b 
cout>max
}

Question 11.
Write the working of arithmetic assignment operator? Explain all arithmetic assignment operators with the help of examples.

Question 12.
Checks whether a given character is an alphabet or a digit.

Question 13.
Define resource sharing.

Question 14.
Define network topology.

Question 15.
What are the disadvantages of email?

Question 16.
What are the facilities provided by the IRCTC website?

Part C

Answer any nine questions from 17 to 27

Question 17.
What are the methods of representing integers in computer memory?

Question 18.
What is the role of a computer in problem-solving?

Question 19.
What is a computer program? How do algorithms help to write programs?

Question 20.
Distinguish between identifiers and keywords.

Question 21.
Explain the different types of logical operators in C++.

Question 22.
Explain the memory representation of a variable with the help of an example.

Question 23.
How do the type modifiers affect the size and range of int and char data types?

Question 24.
Write a C++ program to find the biggest number from 3 given numbers.

Question 25.
Briefly explain the working of a for loop along with its syntax. Give an example of for loop to support your answer.

Question 26.
What are the advantages and disadvantages of social media?

Question 27.
Discuss in detail various uses of IT in health care field.

Part D

Answer any two questions from 28 to 30

Question 28.
List and explain various categories of software.

Question 29.
In the following program, some lines are missing. Fill the missing lines and complete it.

# include<iostream.h>
....................................
{ 
int num1, num2, sum; 
cout<< “Enter two numbers:”;
......................................
......................................
cout<< “Sum of numbers are = "<<sum;
}

Question 30.
Which is/are communication channels suitable for the following situations?

a. Setting up a LAN.

b. Transfer of data from a laptop to a mobile phone.

c. Transfer of data from one mobile phone to another.

d. Creating a remote control that can control multiple devices in a home.

e. Very fast communication between two offices in two different countries.

f. Communication in hilly area.

g. Communication within a city and its vicinity where a coast of cabling is too high.

Answers

Answer 1.
Joint Picture Experts Group

Answer 2.
recycling

Answer 3.
bugs

Answer 4.
constant

Answer 5.
unethical

Answer 6.
101 → 5,
011 → 3
x = 53

Answer 7.
The benefit of using a blue-violet laser is that it has a shorter wavelength which makes it possible to focus the laser spot with greater precision. This allows data to be packed more tightly. Therefore it is possible to store more data on the disk. Can hold up to 25 GB on a single-layer disc and 50 GB on a dual-layer disc. ‘

Answer 8.
ROM is nonvolatile; the contents are retained even after the power is switched off. It is used to hold boot up a program known as Basic Input Output System (BIOS). This software runs when the computer is switched on or ‘boots up’. It checks the computer’s hardware and then loads the operating system.

Answer 9.
The error messages may be displayed by the error handling function of the language. These errors are known as a runtime error. These errors can be rectified by providing instruction for checking, the validity of the data before it gets processed by the subsequent instructions in the program.

Answer 10.
a. No header file, no semicolon is used at the end of a second and third statement. Variables did not declare a return value not specified, auto cannot be used here.
b. M is upper case in main(), no semicolon used in any statements. Operators of sin and cout are wrong. Missing in conditional operator?

Answer 11.
A simple arithmetic statement can be expressed in a more condensed form using arithmetic assignment operators.
eg., a=a+10 can be represented as a+=10. Here += is arithmetic assign* meant operator. The arithmetic assignment operators in C++ are +=, =,*=,/=, %=. These are also known as C++ shorthands. These are all binary operators and the first operand should be a variable. The use of these operators makes the two operations (arithmetic and assignment) faster than the usual method.

Answer 12.

# include<iostream> 
using namespace std; 
int main()
{
char ch;
cout << “Enter the character(only small letter): "; 
cin » ch;
if (ch >= ‘a’ && ch <= 'z) 
cout<<“You entered an alphabet”; 
if (ch >= ‘0’ && ch <= ‘9’) 
cout<<“You entered a digit\n”; 
return 0;
}

Answer 13.
It is defined as the sharing of available hardware and software resources in a computer network.

Answer 14.
The physical or logical arrangement of computers on a network is called structure or topology. It is the geometrical arrangement of computers in a network.

Answer 15.
1. It requires a computer, a modem, software, and internet connection to check mail.
2. Some emails may contain viruses.
3. Mailboxes are filled with junk mail. So very difficult to find the relevant mail.

Answer 16.
IRCTC provides online booking facilities of railway tickets and offers other services like checking reservation status, train timing, reservation of hotels for the tourists across the country.

Answer 17.
There are three methods for representing an integer number in computer memory. They are:
a. Sign and magnitude representation
b. 1’s complement representation
c. 2’s complement representation

Answer 18.
A computer can solve problems only when we give instructions to it. If it understands the tasks contained in the instructions, it will work accordingly. An instruction is an action-oriented statement. It tells the computer what operation it should perform. A computer can execute (carry out the task contained in) an instruction only if the task is specified precisely and accurately.

Answer 19.
A sequence of instructions written in a language that is understood by a computer is called a computer program.
The algorithm is a step by step procedure to solve a problem. Each step represents a specific task. These steps help the programmer to write instructions in a programming language.

Answer 20.
Identifiers are the user-defined words that are used to name different program elements such as memory locations, statements, functions, objects, classes etc.

The words (tokens) that convey a specific meaning to the language compiler are called keywords. These are also known as reserved words as they are reserved by the language for special purposes and cannot be redefined for any other purposes.

Answer 21.
1. && (logical AND). If two relational expressions E1 and E2 are combined using this ‘operator, the result will be 1 (True) only if both E1 and E2 have values 1 (True). In all other cases, the result will be 0 (False).
2. 11 (logical OR). If two relational expressions E2 and E2 are combined using logical OR (| |) operator, the result will be 0 (False) only if both E1 and E2 are having a value 0 (False), In all other cases, the result will be 1 (True).
3. (logical NOT). This operator is used to negate the result of a relational express

Answer 22.

Memory representation of a variable The variable name is num and it consumes 4 bytes of memory at memory addresses 101, 102, 103 and 104. The content of this variable is 18. That is the Lvalue of num is 101 and the Rvalue is 18.

Answer 23.
C++ provides data type modifiers which help us to alter the size, range or precision. It alters the range of values permitted to a data type by altering the memory size and/or sign of values.

Answer 24.

# include<iostream> 
using namespace std; 
int main()
{
int colour;
cout<<“Enter a number between 1 and 4:”;
cin>>colour; 
if (colour==1) 
cout<<“Red”; 
else if (colour==2)
cout<<“Green”; 
else if (colour—3) 
cout<<“Blue”; else
cout<<“Wrong input”; 
return 0;
}

Answer 25.
for loop is an entry controlled loop. All the three loop elements (initialization, test expression, and update statement) are placed together in for a statement. So it Snakes the program compact. The syntax is:

for (initialization; test expression; update statement)
body-of-the-loop;
}
These three steps (test, body, update) are continued until the test expression

is evaluated to False, 
eg., for (n=1; n<= 10; ++n)
{
cout<< “hello”;
}

Answer 26.
Advantages are:

1. Bring people together; It allows people to maintain the friendship.
2. Ran and organize events: It allows users to plan and organize events.
3. Business promotion: It helps the firms to promote their sales.
4. Social skills: There is a key role in the formation of society.

Disadvantages are:

1. Intrusiontoprivacy. The personal information (photo, email id, phone number, name, address etc.) posted in such sites can be used for illegal activities.
2. Addiction. Addiction to such sites wastes our valuable time.
3. Spread rumors. Social media will spread the news quickly.

Answer 27.
Some of the areas where ICT used in health are the following:
1. Medical equipment. Most of the modern medical equipment work with the help of computers. Scanners like CT, MRI depends on computers to process their data. Computer-guided lasers are used in surgery, even in the removal of brain tumors etc.

2. Electronic Medical Records (EMR). It is possible to store all patient’s records in digital format. This is known as EMR. EMR is used by doctors for diagnostics and treatment.

3. Web-based support/diagnosis. There are a lot of treatments, therapies, medical journals are available on the internet, which can be referred to by patients. Some websites provide a facility for identifying their diseases without consulting a doctor. This predictions, may not be correct in some time.

4. Telemedicine. It helps to monitor and share a patients conditions like body temperature, blood pressure, heartbeats, ECG etc. from a distant place by a doctor. A surgeon in one place of the world can contact an expert from another part of the world while performing a surgery. It reduces cost and time.

5. Research and Development. Various researches are going on to discover new medicines. Use of IT in biotechnology have reduced the cost of drug discovery. Drugs for a specific purpose can be developed with the use of advanced computers.

Answer 28.
The software is a general term used to denote a set of programs that help us to use a computer system and other electronic devices efficiently and effectively. The two types of software are:
1. System software: It is a set of one or more programs designed to control the operations of a computer.

• Operating system: It is a set of programs that act as an interface between the user and computer hardware.
• Language processors: The instructions to the computer are written in different languages. Various language processors are:
  • Assembler: It converts languages written in assembly language into machine language.
  • Interpreter: It converts a high-level language into machine language by-line by line.
  • Compiler: It translates a high-level language into machine language by converting all the lines at a time.
• Utility software: A set of programs which help users in system maintenance tasks and in performing tasks of routine nature. Utility programs are compression tools (WinZip, Win RAR), disk defragmenter (rearranges files on a computer hard disk), backup software.

2. Application software: It is the software developed for a specific application. It includes general purpose software (Word Processing software, spreadsheet software, presentation software, database, multimedia), specific purpose software (designed to handle particular tasks).

Answer 29.

# include<iostream.h> 
void main()
{
int num1, num2, sum;
cout<< “Enter two numbers:”;
cin»num1>>num2;
sum = num1 + num2;
cout<< “Sum of numbers are = ”
<<sum;
}

Answer 30.
a. STP/UTP (Twisted pair cable)
b. Bluetooth or WiFi
c. Bluetooth or infrared
d. Infrared
e. Satellite communication
f. Microwaves
g. WiMax

Plus One Computer Application Previous Year Question Papers and Answers

Kerala Plus One Computer Application Model Question Paper 1

Time: 2 Hours
Cool off time: 15 Minutes
Maximum: 60 Scores

General Instructions to candidates

• There is a ‘cool off-time’ of 15 minutes in addition to the writing time of 2 hrs.
• Use the ‘cool off time’ to get familiar with the questions and to plan your answers.
• Read questions carefully before you answering.
• Read the instructions carefully.
• Calculations, figures, and graphs should be shown in the answer sheet itself.
• Malayalam version of the questions is also provided.
• Give equations wherever necessary.
• Electronic devices except non-programmable calculators are not allowed in the Examination Hall.

Part A

Answer all questions from 1 to 5

Question 1.
Information may act as data. State True or False.

Question 2.
…………….. register holds the address of the next instruction to be executed by the processor.

Question 3.
A program written in HLL is known as ………..

Question 4.
The unpredictable value assigned to a variable at the time of its declaration is known as

Question 5.
The small text files used by browsers to remember our email IDs, usernames etc. are known as ……………..

Part B

Answer any nine questions from 6 to 16

Question 6.
Find decimal equivalent of (10001)₂

Question 7.
What are the advantages of a hard disk?

Question 8.
Differentiate hardcopy and softcopy.

Question 9.
Write the names of two phases that are included in debugging.

Question 10.
What would happen if main () is not present in a program?

Question 11.
Comments are useful to enhance readability and understandability of a program. Justify this statement with examples.

Question 12.
What are the are the requirements to implement a multi-branching using a switch statement?

Question 13.
What is the peer-to-peer network? Peertopeer

Question 14.
Switch and hub are two devices associated with networking. Differentiate them.

Question 15.
Compare intranet and extranet.

Question 16.
What are the advantages of EMR?

Part C

Answer any nine questions from 17 to 27

Question 17.
And the smallest number in the list.

a. (1101 )₂
b. (A)₁₆
c. (13)₈
d. (15)₁₀

Question 18.
Write an algorithm to find a sum of first 100 odd numbers.

Question 19.
Draw a flowchart to display the first 100 natural numbers.

Question 20.
What is a floating point constant? What are the different ways to represent a floating point constant?

Question 21.
What are the three aspects of variables?

Question 22.
Find out the errors, if any, in the following C++ statements:

1. cout<< “a=” a;
2. m=5, n=12; 015
3. cout << “x” ; <<x;
4. cin >> y
5. cout>>\n “abc”
6. a = b + c
7. break = x

Question 23.
The following program finds the sum of three numbers. Modify the program to find the average. (Average should display fractional part also).

# include<iostream>
using namespace std;
int main ()
int x, y, z, result;
cout<<“Enter values for x, y, z”;
cin>>x>>y>>z;
result = x + y + z; .
cout<< “The answer is =”<<result; 
return 0;
}

Question 24.
Rewrite the following statement using while and do while loops.

for(i=1; i<=10; i++) cout<<i;

Question 25.
Write the significance of break statement in the switch statement. What is the effect of the absence of a break in a switch statement?

Question 26.
What are the methods for preventing network attacks?

Question 27.
What are the major challenges faced in the implementation of e-Learning?

Part D

Answer any two questions from 28 to 30

Question 28.
Explain any five commonly used secondary or (auxiliary) memory devices.

Question 29.
WHte a C++ program to find the total and percentage of a student in six subjects.

Question 30.
What is network protocol? Explain.

Answers

Answer 1.
True

Answer 2.
Program Counter (PC)

Answer 3.
source code

Answer 4.
garbage value

Answer 5.
cookies

Answer 6.
(10001)₂ = 1 × 2⁴ + 0 × 2³ + 0 × 2² + 0 × 2¹ + 1 × 2°
= 16 + 0 + 0 + 0 + 1
= 17
(10001 )₂ = (17)₁₀

Answer 7.
Hard disks have very high storage capacity, high data transfer rates, and low access time, it is more durable and less error-prone.

Answer 8.
Hardcopy outputs are permanent outputs which can be used at a later date or when required.
Softcopy outputs are electronic and are available on the screen in a digital form.

Answer 9.
Two phases that included in debugging are debugging of syntax errors during translation and debugging of logical errors during execution.

Answer 10.
The execution starts at main() and ends within main(). If we use any other function in the program, it is called (or invoked) from main().

Answer 11.
Comments are lines in the code that are added to describe the program. They are ignored by the compiler.
i. Single line comment: The characters // (two slashes) is used. The text appearing after II in a line is treated as a comment by the C++ compiler.
ii. Multiline comments: Anything written within /* and */ is treated as a comment so that the comment can take any number of lines.
eg., /* This program displays the message “Smoking is injurious to health” on the monitor */

# include <iostream.h> // To use the cout object
using namespace std; // To access cout 
int main() // program begins here 
{ // The following output statement displays a message
cout << “Smoking is injurious to health"; return 0;
} // end of the program

Answer 12.
The following are the requirements to implement a multi-branching using a switch statement:

1. Conditions involve only equality checking. In other cases, it should be converted into equality expression.
2. The first operand in all the equality expressions should be the same variable or expression.
3. The second operand in these expressions should be integer or character constants.

Answer 13.
In this configuration, all the computers have equal priority. That means each computer can function as both a client and a server. There is no dedicated server.

Answer 14.
A switch is an expensive device used to connect computers (device) to a network. Unlike a hub, switch transmit data, not to all computers, it retransmits data only to the intended computer. So the traffic is less and the speed is high.

Answer 15.
Intranet: A private network inside a company or organization is called intranet.
Extranet: It allows vendors and business partners to access the company resources.

Answer 16.
It is a more economical way of storing data. Medical history of patients will be accessible to patients easier and quicker. Transfer of records’ of patients between doctors/hospitals is much easier. A medical condition of a patient can be examined.

Answer 17.
a: (1101)₂ = 1 × 2³ + 1 × 2² + 0 × 2¹ + 1 × 2°
= 8 + 4 + 1
= 13
b. (A)₁₆ = 10
c. (13)₈ = 1 × 81 + 3 × 8°
= 8 + 3 = 11
d. (15)₁₀ = 15
The smallest value is (A)₁₆ = 10

Answer 18.

Step 1: Start
Step 2: Sum = 0, count = 1
Step 3: If count/2==1 then go to Step 4
Step 4: Sum = Sum + count
Step 5: count = count + 1
Step 6: If count<=100 then go to Step 3
Step 7: Print Sum
Step 8: Stop

Answer 19.

Answer 20.
Rotating point literals or real constants are numbers having fractional parts. These can be written in one of the two forms called fractional form or exponential form. A fractional form consists of signed or unsigned digits including a decimal point between digits. A real constant in exponent form has two parts: a mantissa and an exponent.

Answer 21.

1. Variable name. It is a symbolic name (identifier) given to the memory location through which the content of the location is referred to.
2. Memory address. Every cell (or byte) in RAM will be assigned a unique address to refer it. The address is also called the Lvalue of a variable.
3. Content. It is the value stored in the location. This is also called the Rvalue of the variable. Type and size of the content depending on the data type of the variable.

Answer 22.

1. After “a=” an operator << is missing.
2. The data type is missing, the variable name of 015 is missing.
3. The first semicolon is an error.
4. The semicolon is missing at the end.
5. The semicolon is missing at the end. << should be used after cout. \n must be in double quote.
6. The semicolon is missing at the end. A data type is missing.
7. The semicolon is missing at the end. a break is a keyword.

Answer 23.

# include<iostream> 
using namespace std;
int main ( )
int x, y, z; float result;
cout<< “Enter values for x, y, z”; 
cin>>x>>y>>z; 
result = (x + y + z)/3.0; 
cout<< “The answer is =”<<result; 
return 0;
}

Answer 24.

while: 
i = 1;
while (i<= 10)
{
cout<<i;
i++;
}
do while: 
i = 1; 
do 
{
cout<<i;
i++;
}
while (i<= 10);

Answer 25.
When a break statement is encountered, the program control goes to the statements following the switch statement.
If the break statement is absent, even after finding a match other cases following are also checked. If no match is found, statements in the default block get executed.

Answer 26.
1. Firewall. A firewall is a combination of computer hardware and software that provide security to the computer/network. A firewall checks all the incoming and outgoing data from your computer and determines whether they are allowed or not.

2. Antivirus scanner. Antivirus software scans the files in the computer and removes viruses if they found. When an antivirus found malware in a file, the antivirus stops the file from running and put it into quarantine. Quarantine is a special area for storing files that are infected by a virus.

3. Cookies. These are small text files created when we use a browser to visit a website. Cookies store information like usernames, email address, websites visited, products purchased etc. Cookies help for efficient browsing. Cookies are not viruses, but it is possible for a hacker to use cookies as spyware. Most browsers provide facility to delete cookies.

Answer 27.

1. Face to face contact between students adds teachers is not possible.
2. Proper interaction among teachers and students are often limited due to the lack of infrastructural facilities.
3. Equipment and technology (computer and high speed Internet) requirement restrict the adoption of e-Learning.
4. Learners who require constant motivation may not be serviced adequately.
5. Handson on real laboratory scenario is also a constraint in eLearning.

Answer 28.
1. Hard disk. It consists of metal disks coated with magnetic material concealed in dust free containers. Hard disks have very high storage capacity, high data transfer rates and low access time. It is more durable and less error prone. A hard disk may contain one or more platters. Each platter requires two read/write heads, one for each surface.

2. Compact Disc (CD). It is an optical storage medium capable of storing upto 700 MB of data. A CD drive uses red laser beams for reading from and writing data into CD. Two types of CDs are CDR (recordable) and CDRW (Rewritable).

3. USB flash drive. It is a small external storage device which consists of flash memory. These are portable and rewritable. The storage capacity of a USB drive currently varies from 2 GB to 32 GB.

4. Digital Versatile Disk (DVD). In these higher storage capacity is achieved by using smaller spots to record data. Recording and reading of data is done using DVD drive. The capacity of a DVD varies from 4.37 GB to 15.9 GB. There are three major types of DVDs: DVDROM, DVDRW and DVDRAM.

5. Magnetic tape. It is a backup device that can store huge volume of data. The cost per unit volume of a magnetic tape is less compared to other magnetic storage devices. It is a recording medium consisting of a thin tape with a coating of fine magnetic material. It can be used for recording analog or digital data. Data is stored in frames across the width of the
‘tape with a read/ write head.

Answer 29.

# include <iostream> 
using namespace std; 
int main()
{
int i, mark, sum = 0, max; 
float per;
for (i = 0; i<6; i++)
{
cout<<“ Enter the mark: ”;
cin>>mark;
sum = sum + mark; 
}
cout<<“Enter the maximum mark: ”; 
cin>>max;
per = (sum/max)* 100; 
cout<<“Sum of the entered marks:” << sum;
cout<<“ Percentage of the marks in six subjects:” << per; 
return 0;
}

Answer 30.
A protocol is a collection of rules and regulations to transfer data from one location to another. Different types of protocols are:

1. Transmission Control Protocol (TCP): It uses a set of rules to exchange messages with other internet points at the information packet level.
2. Internet Protocol (IP): It uses a set of rules to send and receive messages at the internet address level.
3. File Transfer Protocol (FTP): It is used for transferring files between computers connected to local network or internet.
4. Hyper Text Transfer Protocol (HTTP): It is a protocol used for WWW for enabling the web browse to access web server and request HTML documents.

Plus One Computer Application Previous Year Question Papers and Answers

Kerala Plus One Computer Application Previous Year Question Paper 2017

Time: 2 Hours
Cool off time: 15 Minutes
Maximum: 60 Scores

General Instructions to candidates

• There is a ‘cool off-time’ of 15 minutes in addition to the writing time of 2 hrs.
• Use the ‘cool off time’ to get familiar with the questions and to plan your answers.
• Read questions carefully before you answering.
• Read the instructions carefully.
• Calculations, figures, and graphs should be shown in the answer sheet itself.
• Malayalam version of the questions is also provided.
• Give equations wherever necessary.
• Electronic devices except non-programmable calculators are not allowed in the Examination Hall.

Question 1.
Processed data is known as ………….
a. facts
b. figures
c. information
d. raw material

Question 2.
USB port stands for ……………..

a. Uniform Serial Bus
b. Universal Serial Bus
c. Uninterruptable Serial Bus
d. Updatable Serial Bus

Question 3.
Fill the missing block.

Question 4.
Which one of the following is NOT a search engine?

a. Google
b. Bing
c. Facebook
d. Ask

Question 5.
In ICT enabled services BPO stands for

Question 6.
for, while do while are the three looping statements in C+ +. From these three loops which loop will execute the loop body at least once even though the condition is false?


a. for loop
b. while loop
c. do while loop
d. do for loops

Question 7.
HTTP stands for a ………………. protocol.

Question 8.
IDE stands for …………..

a. Integrated Development Environment
b. Information Development Environment
c. Inheritance Development Environment
d. Interactive Development Environment

Question 9.
Let X and Y are two variables of int data type, then correct the following input statement.

Question 10.
In a flowchart, the terminal (an ellipse) symbol is used to indicate the ……………… and …………… in the program logic.

Question 11.
A ……………….. is a computer peripheral that allows you to connect and communicate with other computers via telephone lines.

Question 12.
Differentiate or define the terms Hardware (h/w) and software (s/w) in a computer system. Give one example for each.

Question 13.
a. Convert (1010.11)₂ to decimal.
b. Find the missing terms in the following series. (18)₁₆, (1A)₁₆, (1C)₁₆ ………………., ……………….

Question 14.
Predict the output of the following operations. x = – 5 and y = 3 initially,

Consider the following statement.

int Length;
Then what is the difference between (a) and (b)?

a. Length = 50
b. Length ==50

Question 15.
Arrange the following memory or storage devices on the base of their operation speed in ascending order.

a. Hard disk
b. Cache
c. RAM
d. Registers

Question 16.
List the different stages in programming.

Question 17.
Classify the following identifiers valid or invalid. If invalid, give a reason.

a. Length_l
b. _Lengthl
c. Length 1
d. 1 Length

Question 18.
A part of biodata of a student is given. Identify the data types which we can use to store and process these data.

RolIJMumber : 34
Age : 17
Sex : M
Mob_Number : 8181818181
Height_in_Cm : 152.8
Rncode : 690601

Question 19.
State whether the following statements are true or false. If false, give a reason.

a. break statement is essential in a switch.
b. for loop is an entry controlled loop.
c. do while loop is an entry controlled loop.
d. the switch is a selection statement.

Question 20.
URL stands for Uniform Resource Locator. Every resource on the internet has a unique URL. Then classify the following URL on the basis of

http://www.dhsekerala.gov.in/index.html
a. Network protocol
b. Domain name
c. Filename

Question 21.
How is a WAN different from a LAN?

Question 22.
If a = 5, b = 4, c = 3, d = 4, then what is the result in X after the following operation ?

Is there any difference between (a) and (b) by considering the following statement?

a. Gender = ‘M’;
b. Gender = ‘M’;

Question 23.
Your friend Ravi purchased a new PC for his personal use. Mention the components required to connect this PC to the internet.

Question 24.
Compare the advantages and disadvantages of implementing eBusiness.

Question 25.
Compare Dot Matrix Printer (DMP), inkjet printer, laser printer, and thermal printer on the basis of their working speed, quality of printing and expense for printing.

Dot Matrix Printer (DMP), inkjet printer, laser printer, thermal printer.

Question 26.
Rewrite the following code using else if ladder.

# include<iostream> 
using namespace std; 
int main()
{
int colour;
cout«“Enter a number between 1 and 4 : ";
cin»colour;
switch(colour)
{
case 1:
cout<<“Red”; 
break; case 2:
cout<<“ Green"; 
break; case 3:
cout<<“Blue”;
break;
default:
cout<<“Wrong input”;
}
}

OR

Write a C++ program to find the biggest number from 3 given numbers.

Answers

Answer 1.
c. Information

Answer 2.
b. Universal Serial Bus

Answer 3.
Compiler / interpreter / assembler /language processors

Answer 4.
c. Facebook

Answer 5.
Business Process Outsourcing

Answer 6.
c. do while loop

Answer 7.
Hyper Text Transfer Protocol

Answer 8.
a. Integrated Development Environment

Answer 9.

cin>>X>>Y;

Answer 10.
Start and Stop

Answer 11.
MODEM

Answer 12.
Hardware is the tangible and visible parts of a computer, which consists of some electromechanical components, eg., keyboard, mouse. The software is a set of programs that help us to use the computer system for our needs, eg., Operating system, language processors.

Answer 13.
a. (1010.11)₂ = 1 × 2³ + 0 × 2² + 1 × 2¹
+ 0 × 2°+ 1 x 2¹ + 1 × 2²
= 8 + 0 + 2 + 0 + 1/2 + 1/4
= 10 + 0.75
= 10.75
b (1E)₁₆, (20)₁₆

Answer 14.
a. 5
b.1
c.2
d. 2

OR

a. The value 50 will be stored in the variable Length (ie., assignment operation).
b. The value 50 and the value of Length will be compared.

Answer 15.
Hard disk, RAM, Cache, Registers

Answer 16.

1. Problem identification: During this phase, you will be able to identify the data involved in processing, its type and quality, a formula to be used, activities involved and the output to be obtained.
2. Preparing algorithms and flowcharts: Once the problem is identified, it is necessary to develop a precise step-by-step procedure to solve the problem.
3. Coding the program: The process of writing program instructions to solve a problem is called coding. The program written in any HLL is known as source code.
4. Translation: It is the process of converting a program written in the high-level language into its equivalent version in machine language. The compiler or interpreter is used for this purpose.
5. Debugging: In this stage, programming errors are discovered and corrected. Programming errors are known as ‘bugs’ and the process of detecting and correcting these errors is called debugging.

Answer 17.
a. Valid
b. Valid
c. Invalid; White space is used.
d. Invalid; the First letter is a digit.

Answer 18.
Roll_Number: int
Age: int
Sex: char
Mob_Number: long int
Height_in_Cm: float
Pincode: int/long int

Answer 19.
a. True
b. True
c. False; do while loop is an exit controlled loop
d. True

Answer 20.
a. http
b. dhsekerala.gov.in
c. index.html

Answer 21.
Wide Area Network (WAN). This is used to connect computers over a large geographical area. It is a network\of network. Here the computers are connected using telephone lines or microwave station or satellites. The error rate in data transmission is high, eg., internet. Local Area Network (LAN). This is used to connect computers in a single room or buildings of one location by using twisted pair wire or coaxial cable. Data transfer rate is high and an error rate is less.

Answer 22.
-3
OR
a. It is true. The variable is a type of char and the value assigned is a character value.
b. This statement is wrong. The variable is a type of char and the value assigned is a string.

Answer 23.
The following are the requirements for connecting a computer to the Internet:
1. (NIC) and an operating system that supports TCP/IP.
2. Modem
3. Telephone connection
4. Internet account of any ISP (Internet Service Provider)
5. Software for browsing.

Answer 24.
The major advantages of using e-Business applications are:

• With e-Business, you can buy and sell products from anywhere.
• eBusiness reduces the operational cost.
• It minimizes travel time and cost. Challenges to eBusiness:
• Most of the people are unaware of online business and its possibilities or they do not know how to conduct this.
• Most of the people from rural areas do not have plastic money (debit card, credit card) which is necessary for eBusiness.
  If not used with caution your valuable information like credit card no., password etc. may lose.

Answer 25.

1. Dot matrix printers use small electromagnetically activated pins in the print head and an inked, to produce images by an impact. These printers are slow and noisy.
2. Inkjet printers form the image on the page by spraying tiny droplets of ink from the printed head. The printer needs several colors of ink. These are inexpensive, but the cost of ink cartridge makes it a costly.
3. Laser printer produces good quality output. The image to be printed is transferred to a drum using a laser beam. The toner powder from the toner cartridge is then sprayed on the drum. The toner powder sticks onto the portions traced the drum by the laser beam. It is transferred to a paper by rolling the paper on the drum. Through heating, the powder is fused on to the paper. Laser printers are faster and their speed is in page per minute (ppm).
4. The thermal printer produces a printed image by selectively heating heat-sensitive when it passes over the thermal print head.

Answer 26.

# include<iostream>
using namespace std;

int main()
{
int colour;
cout<<“Enter a number between 1 and 4:";
cin»colour; if (colour==1)
cout<<“Red”;
else if (colour==2)
cout<<“Green”; 
else if (colour==3) cout«“Blue";
else
cout«“Wronginput”; 
return o;
}

OR

#include<iostream> using namespace std; 
int main() 
{
int a, b, c;
cout<<“Enter three different numbers:”; 
cin >> a >> b >> c ; 
if (a > b)
{
if (a > c)
cout<<“The largest number is:”« a; 
else
cout<<“The largest number is:”<<c;
}
else
{
if (b > c)
cout<<“The largest number is:”«b; 
else
cout<<“The largest number is: ”<<c;
}
return O;
}

Plus One Computer Application Previous Year Question Papers and Answers

Kerala Plus One Computer Application Previous Year Question Paper 2018

Time: 2 Hours
Cool off time: 15 Minutes
Maximum: 60 Scores

General Instructions to candidates

• There is a ‘cool off time’ of 15 minutes in addition to the writing time of 2 hrs.
• Use the ‘cool off time’ to get familiar with the questions and to plan your answers.
• Read questions carefully before you answering.
• Read the instructions carefully.
• Calculations, figures, and graphs should be shown in the answer sheet itself.
• Malayalam version of the questions is also provided.
• Give equations wherever necessary.
• Electronic devices except non-programmable calculators are not allowed in the Examination Hall.

Part A
Answer all questions from 1 to 5

Question 1.
The meaningful and processed form of data is known as ……………….

Question 2.
Write the full form of USB.

Question 3.
…………….. is a step by step procedure to solve a problem.

Question 4.
What is the name of files created to support C++ programs and kept in the standard library?

Question 5.
Find out the odd one from the following:

a. DOS
c. ISDN
b. DSL
d. FTTH

Answer any nine questions from 6 to 16

Question 6.
Despite the high speed and accuracy, computers are said to be the slaves of human beings. Why?

Question 7.
Name the four waste disposal methods.

Question 8.
What are the features of RAM?

Question 9.
Problem-solving by computer proceeds through different stages. Name the stages in the correct order.

Question 10.
Write the output of the following C++ expressions.

Let a = 7, b = 2 ’
a. a + b * 3 / ++b;
b. a < = 7 && b > 1;

Question 11.
Detect and correct the errors in the following C++ code.

# include<iostream> 
using name space std; 
int main ( );
int a, b;
cout<< “Enter two numbers”; 
cin>>a and b; a + b = c;
cout<< “Sum =”<<c; 
return 0;
}

Question 12.
Rewrite the following code using a switch case statement.

if(Lan==‘M’)
cout<<‘i prefer Malayalam”;
else if (Lan == ‘E’)
cout<<“l prefer English”;
else cout<<“l prefer neither Malayalam
nor English”;

Question 13.
There are many advantages of using networked computers instead of standalone computers. Write any four advantages of them.

Question 14.
What is the importance of the TCP/IP protocol in computer networks?

Question 15.
Write any two drawbacks in using social media.

Question 16.
eBusiness has many possibilities in the business world, but it faces some challenges. Write about any two challenges in e-Business.

Answer any nine questions from 17 to 27

Question 17.
If (M)₈ = (96)₁₀ = (N)₂ , find M and M.
(M)₈ = (96)₁₀ = (N)₂

Question 18.
Following is a flowchart to find the sum of the first 50 natural numbers.
a. Correct the flowchart if there are errors.
b. Redraw the flowchart to find the sum of even numbers between 1 and 50.

Question 19.
What is debugging? Which are the different types of errors that may occur in a program?

Question 20.
a. What is a token in C++?

b. Distinguish between keywords and identifiers.

Question 21.
Data types are necessary to declare variables in C++.
a. What is a data type?
b. Write the classification of fundamental data types in C++.

Question 22.
Write a short note on arithmetic and logical operators in C++.

Question 23.
a. Write the equivalent arithmetic operations for the given C++ shorthands.

b. What is the difference between a=20 and a==20?

Question 24.
Write a C++ program to find the sim pie interest of an amount (P) deposited with a rate of interest (R) for a period of years (N). A rate of interest = 7% if deposit amount P is less than 1 lakh. A rate of interest = 8% if deposit amount P is between 1 lakh and 5 lakhs. A rate of interest = 9% if the deposit amount P is above 5 lakhs. (Hint: Simple interest = P × N × R/100)

Question 25.
a. Give the output of the following code.

for(i= 10; i<30; i+ = 3)
{
cout<<i<<“\t”;
}

b. Rewrite the code using while loop, while

Question 26.
Explain briefly about the wireless broadband connectivity methods used for internet connection.

Question 27.
e-Leaming allows us to overcome many limitations of the conventional teaching-learning process.
a. Name any three eLearning tools for enhancing the e-Learning process.
b. Write any three advantages of eLearning.

Answer any two questions from 28 to 30

Question 28.
a. Write a detailed classification of software.
b. Some programming languages use compiler whereas some use interpreter. What makes them different?
c. What do you mean by free software?

Question 29.
a. What is a type conversion ? Which are the two ways of type conversion?

b. Define type casting.

c. Consider the C++ code.

p = 7, q = 2; float a, b;
a = p/q;
b = (a+q)/q;
Find the values of’a and b.

Question 30.
a. Define the term topology.
b. Consider that, your principal has decided to network your computer lab. Which topology will you suggest? Justify your answer.
c. Differentiate between LAN and WAN.

Answers

Answer 1.
information

Answer 2.
Universal Serial Bus

Answer 3.
Algorithm

Answer 4.
Header files

Answer 5.
a. DOS

Answer 6.
Yes. Many people think that the computer has superhuman capabilities. However, this is not true. A computer does not have natural intelligence as humans have. A computer cannot decide on its own.

Answer 7.

1. Reuse: It refers to second-hand use or usage after the equipment has been upgraded or modified.
2. Incineration: It is a controlled and complete combustion process in which the waste is burned in specially designed incinerators at a high temperature in the range of 900 to 1000 degree Celsius.
3. Recycling: It is the process of making or manufacturing new products from a product that has originally served its purpose.
4. Landfilling: In this method, the soil is excavated from the trenches made and waste material is buried in it, which is covered by a thick layer of soil.

Answer 8.
The microprocessor can read from and write to RAM. Data can be stored and retrieved at random from anywhere within the RAM, no matter where the data is. The contents of RAM are lost when power is switched off. Therefore, RAM is a volatile memory. The speed of a RAM refers to how fast the data in memory is accessed and expressed in MegaHertz (MHz).

Answer 9.
Problem identification, preparing algorithms and flowcharts, coding the program, translation, debugging.

Answer 10.
a. 9
b. True / 1

Answer 11.

# include<iostream> 
using namespace std; 
int main ()
int a, b, c;
cout<< “Enter two numbers"; 
cin>>a>>b; c = a + b;
cout<< “Sum =”<<c; return 0;
}

Answer 12.

switch (Lan)
{
case‘M’: cout<<“I prefer Malayalam";
break;
case ‘E’: cout<<“l prefer English”; break;
default:cout<<“l prefer neither Malayalam nor English";
}

Answer 13.
The advantages of networks are:

1. Resource sharing: All the computers in a network can share software.
2. Reliability: If one computer fails, the other computer can perform the work without any delay.
3. Price Vs Performance: Instead of a main frame 10 personal computers are used with less cost and same performance.
4. Communication medium: It has a powerful communication medium. We can exchange information between computers in a network.
5. Scalable: System performance can be increased by adding computers to a network.

Answer 14.
Transmission Control Protocol (TCP) uses a set of rules to exchange\messages with other internet points at time information packet level. When data is to be sent from one computer to another over the internet, it is first broken into smaller packets by TCP and then sends. When these packets are received by the receiving computer, TCP submits a request for retransmission else packets are assembled into the original message according to the rules specified in the TCP protocol. Delivery of each packet to the right destination is done by Internet Protocol (IP).

Answer 15.

1. Intrusiontoprivacy.The personal information (photo, e-mail id, phone number, name, address etc.) posted on such sites can be used for illegal activities.
2. Addiction to such sites wastes our valuable time.
3. Spread rumors. Social media will spread the news quickly.

Answer 16.

1. A good percentage of the population is unaware of IT applications and its uses. Most of the regular Internet users also lack knowledge about online business and its possibilities.
2. Most of the customers, especially to the rural population, do not possess plastic money such as credit card, debit card and net banking system, which is necessary for e-Business.
3. If not Used with caution, customers may lose valuable information like their credit card number, passwords, etc.
4. Products like apparel, handicrafts, jewelry, etc are often purchased after examining physically. But in online shopping, customers don’t have this touch and feel advantage.
5. For the success of e-Business of any organization or company perfect and efficient shipment service is a necessity.

Answer 17.

Answer 18.

Answer 19.
It is the stage where programming errors are discovered and corrected, programming errors are known as ‘bugs’and the process of detecting and correcting these errors is called debugging.

The error messages may be displayed by the error-handling function of the language. These errors are known as a runtime error. These errors can be rectified by providing instruction for checking the validity of the data before it gets processed by the subsequent instructions in the program.

The logical error is due to the improper planning of the program’s logic. The language processor successfully translates the source code into machine code if there are no syntax errors. The computer actually follows the program instructions and gives the output as per the instructions. But the output may not be correct. This is known as logical errors.

The error messages may be displayed by the error-handling function of the language. These errors are known as a runtime error. These errors can be rectified by providing instruction for checking the validity of the data before it gets processed by the subsequent instructions in the program.

Answer 20.
a. Tokens or lexical units are the fundamental building blocks of the program. C++ has five types of tokens. They are keywords, identifiers, literals, punctuators, and operators.
b. Identifiers are the user-defined words that are used to name different program elements such as memory locations, statements, functions, objects, classes etc.
The words (tokens) that convey a specific meaning to the language compiler are called keywords. These are also known as reserved words as they are reserved by the language for special purposes and cannot be redefined for any other purposes.

Answer 21.
a. The data type specifies the nature of
data we have to store, the set of operations that can be performed on the data. Predefined data types in C++ are char, int, float, double and void, b. int data types; Integers are whole numbers without a fractional part: They can be positive, zero or negative. The keyword int represents integer numbers. It allows 4 bytes of memory.

char data types. All letters, digits, special symbols, punctuations, etc. come under this category. When these characters are used as data they are considered as char type data in C+ +. The keyword char represents character type data, void data type. The data type void is a keyword and it indicates an empty set of data. It does not require any memory space, float data types.

Numbers with a fractional part are called floating point numbers. The keyword float is used to denote such numbers. It allows 4 bytes of memory, double data type. It is used to store large real numbers. It uses 8 bytes of memory. It can be represented as double.

Answer 22.
Arithmetic operators: These are defined to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. The symbols used for this are +,* and / respectively. It provides a special operator, % (modulus operator) for getting remainder during division.
Logical operators: Used to combine relational operations and it gives either true or false.

Answer 23.
a. i. x = x % 20;
ii. a = a + 2;
iii. p = p/5;
b. A specific data is stored in memory lo-cations (variables) using assignment op-erator (=). Here the value 20 is stored in the variable
a. == (equal to) is a relational operator used for comparing numeric data. Here the value 20 is compared with the value stored in the variable a.

Answer 24.

# include <iostream>'
using namespace std; 
int main()
{ 
int P, N, R; 
float SI;
cout << “Enter the values of P and N:”; cin >> P>>N; 
if (P< 100000)
{
SI = (P*N*7)/100;
cout << “Simple Interest is”<<SI;
}
else if (P>100000 && P<500000)
{
SI = (P*N*8)/100;
cout << “Simple Interest is”<<SI;
}
else if (P>500000)
{
SI = (P*N*9)/100;
cout << “Simple Interest is"<<SI;
}
return 0;
}

Answer 25.
a. 10, 13, 16, 19, 22, 25, 28 b. i = 10;

while (i<30)
{
cout<<i<<“\t”;
i+=3;
} '

Answer 26.
Satellite Broadband. Here the internet connectivity is provided through a satellite. A VSAT (Very Small Aperture Terminal) dish antenna and a transceiver (transmitter-receiver) required at the user’s side. Speed up to 1 Gbps. Used in banks, stock exchange etc.

Mobile broadband is wireless internet access using mobile phones, tablets, USB modems etc. The modems are built inside the mobile phones, tablets. You can use the internet when you are in traveling. The mobile technologies use here are 2G, 3G, and 4G.

Wimax (World Wide Interoperability for Microwave Access). The whole area of a city can be provided with wireless internet using WiMax. It uses the base station for transmitting WiMAX signals and Wimax receivers for receiving the signal. Speed ‘ up to 70 Mbps.

Answer 27.
a. Online chat, Educational TV channels, Electronic books reader (e-Books) b. 1. eLearning has the ability to offer courses on a variety of subjects to a large number of students from a distant location.
2. In e-Learning, a cost for learning is much less. It saves journey time and money, instructor fees, etc.
3. People with limited financial resources are very much supported by the lower cost of e-Learning.

Answer 28.
a. Software is a general term used to denote a set of programs that help us to use a computer system and other electronic devices efficiently and effectively. The two types of softwares are:
1. System software: It is a set of one or more programs designed to control the operations of a computer.

• Operating system: It is a set of programs that acts as an interface between the user and computer hard ware.
• Language processors: The instructions to the computer are written in different languages. Various language processors are:

a. Assembler: It converts languages written in assembly language into machine language.
b. Interpreter: It converts a high-level language into machine language by-line by line.
c. Compiler: It translate a high level language into machine language by converting all the lines at a time.

• Utility software: A set of programs which help users in system maintenance tasks and in performing tasks of routine nature. Utility programs are compression tools (WinZip, Win RAR), disk defragmenter (rearranges files on a computer hard disk), backup software.

2. Application software: It is tHe software developed for a specific application. It ineludes general purpose software\(Word Processing software, spreadsheet sbftware, presentation software, database, multimedia), specific purpose software (designed to handle particular tasks).
b. Compiler: It translate a high level lan-guage into machine language by converting all the lines at a time. The errors are provided at the end of the compilation. The programming language that have a compiler are C, C++, Pascal, etc.

Interpreter: It converts a high level language into machine language by line by line. If there is an error in one line, it reports and the execution is terminated. It will continue the translation only after the correction of the error, eg., BASIC is an inter-preted language.
c. It gives the user the freedom to use, copy, distribute, examine, change and improve the software.

Answer 29.
a. Type conversion is the process of con-verting the current data type of a value into another type. It may be implicitly and explicitly converted.
It can be done in two ways:
1. Implicit type conversion: It is performed by C++ compiler internally. In expressions where different types of data are involved, C++ converts the lower sized operands to the data type of the highest sized operand. Since the conversion is always from lower type to higher, it is also known as type promotion.

2. Explicit type conversion: Sometimes the programmer may decide the data type of the result of an evaluation. This is done by the programmer by specifying the data type within parentheses to the left of the operand. Since the programmer explicitly casts a data to the desired type, it is also known as type casting. Usually, type casting is applied on the variables in the expressions.
b. Sometimes the programmer may decide the data type of the result of an evaluation.

This is done by the programmer by sSpecitying the data type within parentheses to the left of the operand. Since the programmer explicitly casts a data to the desired type, it is also known as type casting.
c. a = 3.0 or 3
b = 2.5

Answer 30.
a. Physical or logical arrangement of computers on a network is called structure or topology.
b. Bus topology. All the computers are at-tached to a single cable called the bus. Here one computer transmits all other computers listen. Therefore it is called the broadcast bus. The transmission from any station will travel in both the direction. The connected computers can hear the message and check whether it is for them or not. Advantages are add or remows computer is very easy. It requires less cable length and the installation cost is less,
c. Local Are Network (LAN): This is used to connect computers in a single room or buildings of one location by using twisted pair wire or coaxial cable. Data transfer rate is high and an error rate is less.

Wide Area Network (WAN): This is used to connect computers over a large geographical area. It is a network of networks. Here the computers are connected using telephone lines or Microwave station or satellites. The error rate in rate in data transmission is high, eg., internet.

Plus One Computer Application Previous Year Question Papers and Answers

Kerala Plus One Computer Science Model Question Paper 3

Answer all question from 1 to 5

Question 1.
The computing machine developed by Balaise Pascal is known as ………………………………..

Question 2.
The conditional operator is ……………… opera­tor.

Question 3.
Write the name of the header file which contains the exit( ) function.

Question 4.
……………. is stored at the end of the string.

Question 5.
A short distance wireless internet ac­cess method is…

Answer any nine questions from 6 to 16

Question 6.
Compare the Roman number system and Mayan’s number system.

Question 7.
If (X)₂ – (1o1o)₂ = (1ooo)₂ then find X.

Question 8.
Describe the use of electronic spread­sheets.

Question 9.
Differentiate between top-down design and bottom-up design in problem solv­ing.

Question 10.
Some of the literals in C++ are given below. How do they differ?

Question 11.
What will be the result of the following if ans is 6 initially?

1. cout <<ans = 8 ;
2. cout << ans == 8;

Question 12.
Write a C++ code segment to input val­ues into the array:

Question 13.
Predict the output of the following code segment:

char str[] = “program”;
for (int i=o; str[i] != ‘\o’; ++i)
{
putchar(str[i]);
putchar(‘-’);
}

Question 14.
Write down the output of the following code segment:

puts(“hello”);
puts(“friends”);

Question 15.
How can multimedia content be sent using mobile phones?

Question 16.
What are the functions of the mobile oper­ating system?

Answer any nine questions from 17 to 27

Question 17.
Find dual of following Boolean expressions:

1. X. Y + Z
2. C + A.1 + A.C
3. (A+o).(A.1. A )

Question 18.
Fill in the blanks

1. (———– )₂ = (AB)_l6
2. (__ D__ )_l6 = (1010_____ 1ooo)₂
3. 2510 = (______ )₂

Question 19.
Differentiate compiler and interpreter.

Question 20.
Draw a flowchart to input ten different numbers and find their average.

Question 21.
Write a C++ program to check whether the given number is prime or not.

Question 22.
In how many ways can a variable be declared in C++?

Question 23.
Write a program to find the largest among the three numbers.

Question 24.
Write a C++ program to find the sum of major diagonal elements of a matrix,

Question 25.
What are the differences between the linear search method and the binary search method?

Question 26.
What are the advantages of the modular style of programming?

Question 27.
Distinguish between exit( ) function and return statement.

Answer any two questions from 28 to 30

Question 28.
Define the term green computing. List and explain the approaches that you can adopt to promote green computing concepts at all possible levels.

Question 29.
Write a program using a nested loop that inputs a number n which generates an output as follows. [Hint: If the value of n is 5, the output will be as]

Question 30.
What is network protocol? Explain.

Answer

Answer 1.
Pascaline

Answer 2.
ternary

Answer 3.
process.h

Answer 4.
The null character ‘\o’

Answer 5.
Wimax

Answer 6.
The Romans used 7 letters (I, V, X, L, C, D, and M) of the alphabet for representing numbers.
The Mayans used a number system with base 20. It is the sum of the number of fingers and toes. This number system could produce very accurate astronomical observations and make measurements with greater accuracy.

Answer 7.
(X)₂ – (1o1o)₂ = (1ooo)₂
(X)₂ – 10 = 8
18 – 10 = 8
(18)₁₀= (1oo1o)₂ = (X)₂

Answer 8.
Spreadsheet software allows users to perform calculations using spreadsheets. eg., Microsoft Excel, Open Office calc, Lotus 1-2-3, and Apple numbers.

Answer 9.
Top-down design: It is the process of breaking the overall procedure or task into component parts (modules) and then subdividing each component module until the lowest level of detail is reached. It is also called top-down decomposition.
Bottom-up design: Once the overall procedure or task is broken down into component parts (modules) and each component module are further subdivided until the lowest level of detail has been reached, we start solving from the low­est module onwards. The solution for the main module will be developed only after designing a specific solution to its submodules.

Answer 10.
5 is an integer literal.
‘5’ is a character literal.
5.0 is floating point literal.
“5” is string literal.

Answer 11.

1. 8
2. The result will be o (false) because of 6
3. is not equal to 8.

Answer 12.

for (int i=o; i<50; i++)
{
cin>>ar[i];
}

Answer 13.
p-r-o-g-r-a-m-

Answer 14.
hello friends

Answer 15.
Multimedia Messaging Service (MMS) is the standard way to send and receive messages consisting of multimedia con­tent using mobile phones.

Answer 16.
It is an OS used in handheld devices such as a smartphone, tablet, etc. It man­ages the hardware, multimedia func­tions, internet connectivity, etc. eg., Android, iOS.

Answer 17.
a. X + Y.Z
b. A + C . A+o . A + C
c. (A . l) + (A + o + \( \bar { A } \))

Answer 18.
a. A → 1010, B → 1011
(1010101l)₂
b. (AD8)₂₆ = (1010 1101 1ooo)₂
c. (o.o1)₂

Answer 19.
Compiler: It translates a high-level language into machine language by converting all the lines at a time. The errors are provided at the end of the compilation. The programming language that has a compiler are C, C++, Pascal, etc.
Interpreter: It converts a high-level language into machine language by-line by line. If there is an error in one line, it reports and the execution is terminated. It will continue the translation only after the correction of the error, eg., BASIC is an interpreted language.

Answer 20.

Answer  21.

#include<iostream>
#include<cstdlib>
using namespace std; int main()
{
int i, num;
cout<<“Enter the number: cin>>num;
for(i=2; i<=num/2; ++i)
}
if(num%i == o)
{
cout<<“Not a Prime Number”; exit(o);
}
}
cout<<“Prime Number”; return 0;
}

Answer 22.
In C+ +, variable can be declared in three ways. They are:

• Uninitialized variable, eg., int a;
• Initialised variable, eg., int a = 2;
• Dynamically initialized variable,
• eg., int a = b + 10;

Answer 23.

#include <iostream> 
using namespace std;
 int main( )
{
int a, b, c;
cout << “Enter three different num­bers: ”;
cin >>a>>b>>c;
 if (a > b)
{
if (a > c)
cout<<“The largest number is:”<< a; else
cout << “The largest number is:”<<c;
}
else
{
if Ob > c)
cout << “The largest number is:”<<b; else
cout << “The largest number is: ”<<c;
}
return o;
}

Answer 24.

#include <iostream> 
using namespace std; int main( )
{ int mat[io][io], n, i, j, s=o;
cout<<“Enter the rows/columns of square matrix: ”; 
cin> >n;
cout<<“Enter the elements\n”; for(i=o; i<n; i++)
for(j=o; j<n; j++) 
cin> >mat[i][j];
cout<<“Major diagonal elements are\n”;
for(i=o; i<n; i++)
{
cout<<mat[i][i]<<“\t”; 
s = s + mat[i][i];
}
cout<<“\nSum of major diagonal elements is: 
cout<<s; 
return o; 
}

Answer 25.
Linear search method:

• The elements need not to be in any or­der.
• Takes more time for the process.
• May need to visit all the elements.
• Suitable when the array is small.

Binary search method:

• The elements should be in sorted or­der.
• Takes very less time for the process.
• All the elements are never visited.
• Suitable when the array is large.

Answer 26.

• It reduces the size of the program
• Less chances of error.
• Modularization reduces program­ming complexity.
• Improves reusability.

Answer 27.
The return statement returns a value to the calling function and transfers the program control back to the calling function.
The exit( ) function terminates the ex­ecution of the program itself.

Answer 28.
Green computing is the study and prac­tice of environmentally sustainable computing or IT. To promote green computing, there are 4 approaches are used. They are:

1. Green design: Designing energy effi­cient and eco-friendly computers and devices.
2. Green manufacturing: Minimising waste during the manufacturing of IT devices.
3. Green use: Minimising the electric­ity consumption of computers.
4. Green disposal: Reconstructing used computers or appropriately disposing off or recycling unwanted electronic equipment.

Answer  29.

#include<iostream>
using namespace std;
int main( )
{
int n, i, j, s;
cout<<“Enter the value of n”; cin> >n;
for (i=n; i>=i; i- -)
{
for (j=n; j>=i; j- -)
{
s = j * j;
cout<<s<<“\t”;
}
cout< <“\n”;
}
return o;
}

Answer 30.
A protocol is a collection of rules and regulations to transfer data from one location to another. Different types of protocols are:

1. Transmission Control Protocol (TCP): It uses a set of rules to exchange mes­sages with other internet points at the information packet level.
2. Internet Protocol (IP): It uses a set of rules to send and receive messages at the internet address level.
3. File Transfer Protocol (FTP): It is used for transferring files between comput­ers connected to local network or internet.
4. Hyper Text Transfer Protocol (HT­TP): It is a protocol used for WWW for enabling the web browser to access the web server and request HTML documents.

Plus One Computer Science Previous Year Question Papers and Answers

Kerala Plus One Accountancy Model Question Paper 3

Time Allowed: 2 hours
Cool off time: 15 Minutes
Maximum Marks: 60

Answer all questions from question numbers 1 to 9. Each carries one score.

Question 1.
The fact that a business is separated and distinguished from its owner is best exempli­fied by the concept.
a. money measurement
b. going concern
c. business entity
d. cost

Question 2.
In every organization, a large number of small payments of repetitive nature are there. To record these as a separate cash book is main­tained is called petty cash book. Name the person who prepares this book.

Question 3.
Consider the following fields of MS Access

Voucher
Voucher
No Voucher Name
Here, ‘voucher’ stands for_____

Question 4.
Furniture bought on credit is the wrong re­corded in the cash book. It is an exam-pie of an error of….
a. principle
b.compensation
c. commission
d. omission

Question 5.
Name any two internal users of accounting information of your choice.

Question 6.
Income tax paid by the sole trader from the business is treated as____
a. Capital
b. Drawings
c. Expensed.
d. None of these

Question 7.
Arun sold goods on credit for Rs. 1000 to Amal. Who is the debtor in this transactions?

Question 8.
……………is used as a source document for recording purchase return.

Question 9.
Complete the series based on the hint given:

Hint: Intangible asset – goodwill

1. Fictitious asset -________
2. Liquid asset – __________

Answer any five from question numbers 10 to 15. Each carries two scores.

Question 10.
Prepare a cash book from the follow­ing transactions of grace enterprises for the month of December 2010.

Question 11.
Computerised accounting has some advan­tages over manual accounting. List out any four such advantages.

Question 11.
Computerised accounting has some advan­tages over manual accounting. List out any four such advantages.

Question 12.
Jaya Brothers is a sole trader who invested Rs 10000 on 01-01-2012 in his business and the accounting year. He also withdrew Rs 6000 for his private use. Ascertain his profit for the year.

Question 13.
Given below is an extract taken from the Trial Balance of a trader as on 31 -12-2012

Additional information:
a. Further bad debts to be written off this year were Rs 100.
b. 10% is reserved for further bad debts
How much amount has to be debited to the Profit and Loss account?
<

Question 14.
Unni purchased goods for Rs 9818 and the trader allowed a discount of Rs 18 at the time of purchase.
a. Identify the type of discount
b. Mention the other types of discounts available and differentiate them with the one stated above.

Question 15.
Consider the following information from the books of Mr. Sidique.
a. Profit for the year Rs. 60000
b. Additional capital introduced by him Rs. 50000
c. Drawings by him this year Rs.30000
d. Capital at the end of the year Rs.200000
Find the capital contributed by him at the beginning of the year.

Answer any three from question numbers 16 to 19 Each carries three scores.

Question 16.
M.S. Brothers carry on business as cloth deal­ers. From the following, write their purchase book for January 2010


3^rd Jan-2010

Purchased on credit from Ambika Mills, 100 meters long cloth @ Rs 30 per meter and 50 meters shirting @ 50 per meter.

8^th Jan-2010
Purchased for cash from Aravind Mills, 50 meters muslin@ Rs 40 per meter
15^th Jan-2010

Purchased on credit from India Textile Mills, 120 meters suiting @ Rs 100 perimeter and 100 meters shirting @ 60 per meter.

20^th Jan-2010
Purchased laser printer on credit from Bharath Company Ltd. for Rs 12000

Question 17.
0n January 31, 2013, the passbook of Miss Reshmi showed a credit balance of Rs 15000. On verifying the passbook with the cash book, the following was observed.


1. Ascertain the cash book balance as on the above date.
2. Give any two causes of differences between a cash book and a passbook other than the four stated above.

Question 18.
0n 1^st July 2011, Mrs. Kavitha sold goods to Mrs. Molly for Rs 10000 and drew 2 months bill for that amount which was duly accepted. On 5^th July 2011, Mrs. Kavitha discounted the same with the bank for Rs 8500. On the due date, the bill was dishonored and noting charges of 150 was paid by the bank. Show the journal entries in the books of both the parties.

Question 19.
Prasad kept his books under single entry system. His position as on 31 -12-2012 was as follows.

His capital account shows a credit balance of Rs 54000 as on 01-01-2012. He introduced
an additional capital of Rs 5000 during the financial year. He withdrew Rs 10000 for
personal purpose. Ascertain his profit for the yearended3l-12-20l2.

Answer any two from question number 20 to 22. Each carries four scores.

Question 20.
On 01 /01 /2013, A sold goods to B for Rs 2000 and on the same day, ‘A’ drew upon ‘B’ a bill of Rs 2000 for three months. On 06/01/2013, the bill has been discounted and received Rs 1800. On the due date, the bill has been dishonored.
Draw up the journal in the drawer’s book.
What would be the entry have been had the banker spent Rs 100 for noting the bill?

Question 21.
Give journal entries for the following tran­sactions.
1. Ram started a business with cash Rs. 80,000/- Building Rs. 1,50,000/­Machinery Rs. 1,20,000/- and stock of goods Rs. 50,000/-
2. He purchased goods for Rs. 70,000 of which he paid Rs. 50,000 in cash and balance on credit from Mohan

Question 22.
The following is the trial balance of Ammu Associates for the year ending 31st Dec­ember, 2014 and other information relating are given to you. Find the working result of business and also show the financial position of them for the year.

Additional information:

• Closing stock is valued at Rs. 25000
• Salary of an employee is not paid Rs.500
• Further bad debt incurred Rs. 200
• Provision for bad debt is created at 5% on debtors.

Answer question numbers 23 and 24. Each car­ries five scores.

Question 23.
Some transactions relating to business are given below:

1. Prepare a suitable cashbook from the above.
2. Identify a special Journal where goods withdrawn by the proprietor for perso­nal use worth Rs 200 will be recorded

Question 24.
The following balances are taken from the books of Mr. Biswas. After making the following adjustments, prepare the Trading and Profit and Loss accounts for the year ended 31 st March 2014 and a Balance Sheet as on that date.

Answer any one from question numbers 25 and 26. A question carries six scores.

Question 25.
Compute the cost of goods sold and gross profit with the help of the following information.

Question 26.
Prepare the financial statements of Rajeevan Stores for the year 2012-13 from the information given below.


Adjustments:
(a) The closing stock was valued at Rs 7000.
(b) Wages yet to be paid Rs 300.
(c) Rent includes advance payments of Rs 600 for the next year.
(d) Bad debts are written off Rs 400.
(e) Depreciate building at 10% per annum.

Answer question number 27, which carries eight scores.

Question 27.
What do you mean by accounting, branc­hes of accounting and explain the features of accounting?

Answer

Answer 1.
business entity

Answer 2.
Petty cashier

Answer 3.
Entity

Answer 4.
principle

Answer 5.
Managers, Employees

Answer 6.
Drawings

Answer 7.
Amal

Answer 8.
Debit Note

Answer 9.
Preliminary expenses / Profit and loss (Debit balance)

Answer 10.
Double column cash book

Answer 11.
1. Speed: A computer is able to process data at a very high speed than that of a human being.
2. Accuracy: gree of exactness with which compu­tation are made and operations are performed.
3. Diligence: Computers can work for long hours without any laxity and monotony.
4. Versatility: Computers have the ability to perform a variety of task, simple as well as complex. It can be used in any area of application – business, industry, statistical, technological etc.

Answer 12.
Statement of Profit / Loss for the year ended

Answer 13.

Answer 14.

Answer 15.

Answer 16.

Answer 17.

ii.
(a) Interest, dividend etc collected by the bank
(b) Direct payment by the bank on behalf of the customer.
(c) Interest credited by the bank.
(d) Dishonor of cheques/bill.

Answer 18.
In the books of Mrs. Kavitha

Answer 19.

Answer 20.
In the books of Drawer (A)

Answer 21.

Answer 22.

Answer 23.

Answer 24.

Answer 25.
Cost of goods sold = opening stock + Purchase + Direct = Expenses – closing stock
=60000 + (30000-2000) + 50000 + 10000-80000
= 60000 + 298000 + 60000 – 80000 = 338000
Gross profit = Sales (Net) – Cost of goods sold = (400000 – 3000) – 338000 = 59000

Answer 26.

Answer 27.
Meaning and Definition of Accounting According to the American Institute of Certified public Accountants [AICPA], “Accounting is an art of recording, classi­fying and summarizing in a significant manner and in terms of money, trans­actions and events which are, in part, at least, of a financial character and inter­preting the result thereof’.

Branches of Accounting
In order to satisfy the needs of the differ­ent people interested in accounting infor­mation, various branches of accounting have developed. They are:

1. Financial Accounting: It is the original form of accounting. The purpose of this form of accounting is to record transa­ctions in the books of accounts and to prepare the financial statements and interpreting the results.

2. Cost Accounting: This branch of accounting deals with the process of ascertainment of cost with the help of this system, the cost of product or services can be ascertained and controlled. It is more helpful to the management of the business.

3. Management Accounting: It is con­cerned with the use of financial and cost accounting information to managers for making business decisions.

Accounting Process/Features
Identification: It means determining and identifying events that are to be recorded in business. The business transactions and other economic events, therefore, be evaluated for deciding whether it has to record in the accounts

Measurement: It means quantification of business transactions into financial terms by using monetary units (Rupees). If an event cannot be monetarily expressed, it is not considered for recording.

Recording: Once the economic events are identified and measured, they are recorded in the books of accounts in chronological order.

Communication: The summarised accounting information has to be communicated in a proper form to the internal as well as external users.

Objectives of Accounting:

Plus One Accountancy Previous Year Question Papers and Answers

Kerala Plus One Accountancy Model Question Paper 2

Time Allowed: 2 hours
Cool off time: 15 Minutes
Maximum Marks: 60

Answer all questions from question numbers 1 to 9. Each carry one score.

Question 1.
Credit purchase is calculated by preparing……….

a. Total Debtors account
b. Total Creditors account
c. Bills Receivable account
d. Bills Payable account

Question 2.
Under which one of the following can the asset of ‘Debtors’ be well placed?

a. Real asset
b. Fixed asset
c. Current asset
d. Human asset.

Question 3.
The drawer of a bill of exchange is always the………

a. Debtor
b. Endorser
c. Creditor
d. Proprietor

Question 4.
Introduction of the latest technologies may be one of the causes for_________
<
a. Depletion
b. Amortisation
c. Appreciation
d. Depreciation

Question 5.
What will be the effect on the trial balance if Rs 500 is received as interest and correctly entered in the cash book, but posted to the debit side of interest account?

Question 6.
A bill dated August 1, 2012, is payable two months after date. If the due date is a public holiday, what will be the date of maturity of the bill?

Question 7.
When the debit of income and expenditure is more than its credit, it leaves a………

a. profit
b. surplus
c. deficit
d. loss

Question 8.
A ____ is a person to whom business owes money.

a. Debtor
b. Creditor
c. Investor
d. Borrower

Question 9.
Furniture bought on credit is wrongly re­corded in the cash book. It is an exam-pie of an error of ………..

a. Error of principle
b. Error of compensation
c. Error of commission
d. Error of omission

Answer any five from question numbers 10 to 15. Each carries two scores.

Question 10.
The trial balance is a statement prepared to check the arithmetical accuracy of business.
a. Name any two types of errors which can­ not be disclosed through this state­ment.
b. Rectify the following errors.

1. Office furniture purchased for Rs. 5000 was posted to purchase acco­unt.
2. Cash sales Rs. 2000 was posted as Rs. 200.
3. Goods withdrew by the proprietor for personal use Rs. 1000 was not recorded in the books

Question 11.
Every transaction has two aspects which will be recorded in the books of accounts.
a. Identify and explain the accounting concept referred to above, by giving suitable examples.
b. Narrate a transaction which affects only the asset side of an accounting equation

Question 12.
The following errors are noticed in the books of accounts of a trader at the time of prepara­tion of a Trial Balance.

a. Sales book was overcast by Rs 300
b. Salary paid Rs 1500 was wrongly debited to Wages account.
c. Goods sold to Kavitha worth Rs 2000 were completely omitted to be reco­rded.
d. Rent amounting to Rs 1200 was recei­ved but debited to Rent account as Rs 120.

1. 1. Pass the rectification entries for the above.
   2. Identifying the compensating error from the above.

Question 13.
Which assumption of accounting states that the capital supplied by the proprietor is a li­ability to the business? Describe it in one or two sentences.

Question 14.
Jaya Brothers is a sole trader who invested Rs 10000 on 01-01-2012 in his business and the same was found at Rs 18000 at the end of the accounting year. He also withdrew Rs 6000 for his private use. Ascertain his profit for the year.

Question 15.
Unni purchased goods for Rs 9818 and the trader allowed a discount of Rs 18 at the time of purchase.
a. Identify the type of discount
b. Mention the other, types of discounts available and differentiate them with the one stated above.

Answer any three from question numbers 16 to 19. Each carries three scores.

Question 16.
Kannan and Sona acquired a machine for Rs.1,80,000 on 10^th Oct 2012 and spend Rs. 20000 for its installation. The firm write-off depre­ciation at the rate of 10% p.a. on original cost every year. Draw up machinery account for the first 3 years given that the books of accounts close on March 31 st every year.

Question 17.
Prepare a Bank Reconciliation Statement on behalf of Lalu shoe mart as on 31 -03-2013.

• Balance as per cash book as on 31­03-2013 was Rs 3000.
• A cheque worth Rs 2000 issued for rent, so far not presented to a bank
• Interest credited to passbook was only 1200
• Chinnu, one of our customers, cred­ited Rs 4000 to our bank directly.
• Bank charges of Rs 200 were not cr­edited to the cash book so far.

Question 18.
Noel, the sole trader bought a building for Rs. 1,00,000 on01/01/2009.
Further, he constructed another building which was completed on 01 /01 /2010. He spent Rs 2,00,000 for this.
Depreciation was charged at the end of every year on 31st December on the diminishing balance method @10%. Draw the building account till 2012.

Question 19.
On 1^st January 2012, Rajan sold goods to Suresh for Rs 25000 and drew upon him a bill of exchange for 2 months. Suresh accepted the bill and returned it to Rajan. He then endorsed the bill to Manoj, who discounted the bill with the bank on 15-01 -2012 for cash Rs 24750. The bill was dishonored on the due date. Show the journal entries in the books of Rajan and Suresh.

Answer any two from question numbers 20 to 22. Each carries four scores.

Question 20.
On 1st January 2015, Arya sold goods to await for Rs. 10000 and drew a bill of exchange for 3 months. Adwaith accepted the bill. In 7th Feb 2015 Arya discounted the bill with her bank for Rs. 9800. But on the date of maturity of the bill, Adwaith was unable to make the payment. Pass the journal entries in the books of Arya.

Question 21.
On 1^st July 2012, a firm purchased a plant worth Rs 40,000. The firm writes-off depreciation @ 10% on the original cost. The accounts are closed on 31^st December every year. If the plant is sold for Rs 35000 on 1st July 2013, prepare the plant account up to this date.

Question 22.
Ali purchased goods for Rs 30000 from Stephen on 1st January 2015. A bill was drawn for three months which was accepted by the drawee and returned to Stephen. On the same day, the bill was discounted with the bank @12%. Pass the entries in the
books of the drawer and drawee.

Answer question numbers 23 and 24. Each car­ries five scores.

Question 23.
Prepare a double column cash book on behalf of a cloth merchant from the information given below.

Question 24.
Noel, the sole trader bought a building for Rs. 1,00,000 on01/01/2009.
Further, he constructed another building which was completed on 01 /01 /2010. He spent Rs 2,00,000 for this.
Depreciation was charged at the end of every year on 31st December on the diminishing balance method @10%. Draw the building account till 2012.

Answer any one from question numbers 25 and 26 A question carries six scores.


Question 25.
Mention the difference between double en­try and single entry system.

Question 26.
Find the sale of Binesh from the following information provided by him for the year ending 31 st March 2013.

Answer question number 27, which carries eight scores.
Question 27.
From the following Trial balance, prep­are the Trading and Profit and Loss account for the year ended 31^st Dece­mber 2012 and a Balance sheet as on that date considering the adjus­tments given.


Adjustments required:
(a) The closing stock was valued at Rs 18000.
(b) Insurance prepaid Rs 200.
(c) Salary outstanding Rs 3000.
(d) Rs 500 written off as further bad debts
(e) Provide 10% on debtors against bad and doubtful debts.
(f) Depreciate furniture @10%

Answer

Answer 1.
Total Creditors account

Answer 2.
Current asset

Answer 3.
Creditor

Answer 4.
Depreciation (Obsolescence)

Answer 5.
A liability

Answer 6.
The expense for the business

Answer 7.
Procedure

Answer 8.
Creditor

Answer 9.
Error of principle

Answer 10.
a. Errors of Principle, Compensating errors

Answer 11.
a. Duality concept/Double entry concept
According to the duality concept, every business transaction has two aspects

• a debit aspect (giving aspect) and
• a credit aspect (receiving aspect).

Eg: Purchased goods for cash
Debit aspect – Purchases
Credit aspect – Cash
b.

• Purchased machinery for cash
•  Sold furniture for cash etc.

Answer 12.

Answer 13.
A business entity or Accounting entity. According to this concept, the business unit has a separate entity apart from its owners. Thus the proprietor and his dealings with the business should be regarded as a transaction.

Answer 14.
Statement of Profit / Loss for the year ended 31-12-2012

Answer 15.

Answer 16.

Answer 17.
Bank Reconciliation Statement as on 31-03-2013

Answer 18.

Answer 19.

Answer 20.

Answer 21.

Answer 22.
In the books of Drawer (Stephen)


Answer23.

Answer 24.

Answer 25.
The following are the difference between the double-entry system and single entry system.

Answer 26.

Answer 27.
Trading and Profit and Loss Account for the year ended 31-12-2012

Plus One Accountancy Previous Year Question Papers and Answers

Kerala Plus One Accountancy Model Question Paper 1

Time Allowed: 2 hours
Cool off time: 15 Minutes
Maximum Marks: 60

Answer all questions from question 1-5 which carries score 1 each.

Question 1.
Rajeev received an order for 100 Churidars of र 250 per Churidar from Krishna Textiles. But the accountant did not record the item in the books. Point out the accounting con­cept guided the accountant.

Question 2.
A loan can be treated as a short loan if the period is
a. years
b. More than two years
c. Less than one-year
d. than one year

Question 3.
Did Sam sell goods worth? 15000 on 10-03-2016 to Dinesh and drew a bill for two months. Calcu­late the maturity date if Dinesh accepted it

Question 4.
Identify the key attribute from the following:
a. Name of the student
b. Admission number
c. Class
d. Date of birth

Question 5.
SQL stands for
a. Structured Question Language
b Standard Question Language
c. Structuared Query Language
d. Standard Query Language

Question 6.
Fill in the blanks with suitable examples.

Question 7.
The following is the error committed in the book of a car Manufacturing company
Wages A/c Dr
Cash A/c
(Being wages paid for the construction of build­ing)

1. 1. Show the rectification error
   2. Identify the types of error involved

Question 8.
Prepare a statement showing the accounting equation on the basis of following transac­tions.
1. Nihara started a business with cash र 5,00,000
2. Purchased goods from Nirmal for र 60,000
3. Paid into Bank र 75,000
4. Sold goods to Abi costing र 80,000 for र1,00,000

Question 9.
Show the Debit or Credit of the following items.
a. Increase in the value of Fixed asset
b. Increase the amount of withdrawals from the business for private affairs
c. Decrease the value of debtors

Question 10.
An amount transferred from one account to another account is treated a contra entry. Write two more examples of contra entry.

Question 11.

Question 12.
Briefly explain the following terms:
a. Single Entry
b. Accrual System

Answer any five from question numbers 13 to 18. Each carries two scores.

Question 13.
From the following transactions of M/s Sujith and Sons for the month of April 2017. Pre­pare Purchase Day Book.
April 52017 purchased credit from M/s Rahul Mills.
100 pieces of long cloths @ र 90/piece 50 pieces of shirting @ र 150/piece.
April 8, 2017, Purchased for cash from M/s Niranjan Mills.
50 pieces of suiting @ र 180/piece.
April 152017 purchased goods on credit from Sunil Mills.
20 pieces of coatings @ र 1200/piece.
10 pieces of shirtings  150/piece.
April 20, 2017, purchased credit from Laneesh T.raders
60 typewriter र@ 500 each.

Question 14.
Identify the type of errors on the basis of the following narrations:

Question 15.
Find out the profit of the business from the given information:
Capital at the beginning of the year र 6,50,000
Capital at the end of the year  र 5,00,000
Drawings made during the year र 2,75,000
Additional Capital introduced र  50,000

Question 16.
List out the three distinct advantages of computerised accounting over manual ac­counting

Question 17.
What is a Query in computerised accounting?

Question 18.
Balance sheet differs from the statement of affairs. Write three points to support the above state­ment

Answer any three from question numbers 19 to 22. Each carries four scores.

Question 19.
Gopal cashier of star traders advanced र 2,000 as imprest amount to Ramesh on 1 -1 -2017 the petty cashier of the firm. Could you help Ramesh to record the following items?

Question 20.
Soorya Traders purchased machinery for र  1,50,000 on 1 -1 -2012. The further purchased machinery on 1-7-2013 for र 80000. Prepare Machinery Account for three years considering that the firm writes off depreciation at the rate of 10 % on original cost every year.

Question 21.
Hari in a discussion agrees that financial statements are the most reliable accounting report to exhibits the profitability of the firm. Do you agree? why?

Question 22.
Write journal entries for the following transactions:
a. Did business start with cash र 1,00,000
b. Purchased goods from Manu र 40,000
c. Purchased furniture र 1,50,000
d. Paid cash to Manu in full settlement

Answer question numbers 23 and 25. Each car­ries five scores.
Question 23.
Prepare a bank reconciliation statement.
a. Overdraft is shown as perc ash book 31-12-2017 र 20,000.
b. Bank charges debited in the passbook
c. Interest on overdraft र 760.
d. Cheque issued but not encashed र 4,300.
e. Interest on investment collected by the Bank and credited in the passbook र 120.
f. Cheque paid into Bank but not cleared before 31-12-2017? 2,200.

Question 24.
Sojan sold goods for? 50,000 to Sreejithon 1­4-2017. Sojan drew a bill of exchange upon Sreejith for the same amount for three months. Sreejith accepted the bill and resumed into Sojan. Sojan endorsed the bill to George. The bill is dishonored on the due date. Show the journal entries in the books of Sojan.

Answer any one from question numbers 25 and 26. A question carries six scores.

Question 25.
List out five situations which lead discrep­ancies in the pass book balance and cash book balance.

Answer the following questions which carry 8 scores.

Question 26.
The following balances are extracted from the Trail Balances of.KBros. Prepare Trading and Profit and Loss A/c on the year ending 31 ^st March 2017.

1. Closing stock र 10000
2. Provide 5% provision on doubtful debts.
3. Wages र 300 and salary र 500 are outstanding.
4. Depreciation on plant and Machinery 5%, Building 10%.

Answer

Answer 1.
Full disclosure concept.
This principle requires that all material and relevant facts concerning financial perfor­mance of an enterprise must be fully and com­pletely disclosed in the financial statement.

Answer 2.
Less than one year

Answer 3.
11-5-2016

Answer 4.
Admission number

Answer 5.
Structured Query Language

Answer 6.

Answer 7.
a. Building A/c
To Wages A/c
An error of principle when a transaction is recorded in contravention of accou­nting principles.

Answer 8.

Assets = Liability ± Capital
Asset = Cash + Debtors + Stock
= 425000+100000 + (-20000) = 505000
Assct=L+C=445000+ 60000= 505000

Answer 9.
a. Debit
b. Debit
e. Credit
d. Debit

Answer 10.
a. Cash deposited into bank
b. withdrew cash from a bank

Answer 11.

Answer 12.
single entry
Single entry accounting system is a method of book keeping relying on a one-sided accounting entry to maintain financial information.

Accrual system
Under the accrual system basis of accounting, expenses are matched with the related revenue and are reported when the expenses occur, not when

the cash is paid.
The result of accrual accounting is an income statement that better measures ta specific time period.

Answer 13.

Answer 14.
Error of principles
When a transaction is recorded in contravention of accounting prin­ciples. It is called the error of principles.

Error of commission
There are tire error which is committed due to wrong posting; of transactions, wrong totaling or wrong balancing of the accounts, the wrong casting of subsidiary books etc. These errors are clerical nature and most of the errors of commission effect in the trail balance.

Answer 15.

Answer 16.

Answer 17.
A query is basic tools that access provides for retrieving information from the database. It is used to review, add, change or delete data from the database. It allows. taking information from single or multiple tables to obtain the data required. Different types of queries are Selected queries, Parameter queries, Crosstab queries, Action queries, Union query, and Pass-through query.

Answer 18.

Answer 19.

Answer 20.

Answer 21.
Yes, I agree with the statement. Financial statements are more reliable accounting rep­orts to exhibits the profitability of the firm. Trading and Profit and Loss Account, Balance sheet are the two important finan­cial statements. Trading and Profit and Loss Account also known as income statements show the financial performance of the busi­ness in the form of Profit of Losses for a particular period. The balance sheet shows the financial position of the business for a particular date.

Answer 22.

Answer 23.

Answer 24.

Answer 25.
The various situations which lead to discrepancies in pass book and cash book balances are:

1. Cheque issued or drawn to creditors but not paid by Bank.
2. Amount deposited directly into the Bank.
3. Expenses paid by the Bank
4. Bank charges
5. Cheque deposited for collection but not yet collected and credited by the bank.
6. Interest on deposits

Answer 26.

Plus One Accountancy Previous Year Question Papers and Answers

Kerala Plus One Accountancy Improvement Question Paper 2018

Time Allowed: 2 hours
Cool off time: 15 Minutes
Maximum Marks: 60

Answer all questions from question 1 to 8. Each carry 1 score.

Question 1.
State the accounting concept, if a business charges depreciation underwritten down value method and it follows the same method in the subsequent years.

Question 2.
Which one of the following events is NOT a business transaction?
a. Furniture purchased for cash
b. Goods are ordered for next month
c. 10% of debtors are treated as bad.
d. Salary outstanding to the employee

Question 3.
Computer purchased from Mr.X on credit is recorded in the ……………..
a. Purchase book
b. Journal proper
c. Cash book
d. Sales book

Question 4.
As per business entity concept owner of the business is
a. supplier
b. creditor
c. debtor
d. borrower

Question 5.
Find the odd one and state the reason
a. Mouse
b. Monitor
c. Keyboard
d. Pen drive

Question 6.
Find the “entity” from the following.
a. Employee
b. Employee
c. Employee name
d. Age

Question 7.
Income receivable is………………….
a. an asset
b. a liability
c. profit
d. a loss

Question 8.
Different entities are related to simplifying the data storage is termed as………….

Answer any five from question numbers 9 to 14, Each carries two scores.

Question 9.
Classify the following items as Revenue, Ex­pense, Gain and Profit.
a. Profit on sale of investment
b. Interest received
c. Goods sold at above cost
d. Depreciation

Question 10.
Arun constructed a building for Rs.5,00,000 for his new business concept. After 2 years the market value of the building is enhanced toRs.8,00,000
a. If you are the accountant, which amount appear in the books?
b. What is the accounting principle support your recording?

Question 11.
Cash book is both a Journal and Ledger. Justify your views.

Question 12.
Write the name of the correct computer com­ponents in the given box.

Question 13.
Identify the limitations of CAS from the foll­owing
a. Disruptions
b. Scalability
c. Staff opposition
d. Legibility

Question 14.
Point out any two differences between ‘Pro­vision’ and Reserve’

Answer any 4 questions from question numbers 15 to 19. Each carries 3 scores.

Question 15.
Show the effect of following transactions on Asset, Liabilities, and Capital based on the accounting equation.

1. Started a business with cash र15000
2. Rent received र 5000
3. Purchased goods on credit from Rema र2000
4. Paid cash to household expenses र 4000
5. Sold goods for cash (cost 10000) र13000
6. Deposited into bank र 25000

Question 16.
Calculate gross profit from the balances taken from the books of Usha for the year ending 31^st March 2017

Question 17.
From the following information, calculate the capital at the beginning.

Question 18.
Explain briefly about ‘Accounting Reports’.

Question 19.
What are the following terms stand for?

1. GAAP
2. IFRS
3. ICAI

Answer any 3 questions from question numbers 20 to 23. Each carries 4 scores.

Question 20.
Give narrations for die following journal entry.

Question 21.
Record the following transactions in a double column cash book

Question 22.
Chandra Traders purchased a Motor Van on 01-01-2013 for र 6,00,000. The firm writes off depreciation at the rate of 10% p.a on written down value method. Draw up Motor Van account for the first three years

Question 23.
Identify the debit and credit aspects from the following transaction.

• Insurance premium paid in advance
• Discount allowed Mr. Anandu
• Goods were taken for personal use
• Depreciation is written off on Machinery

Answer any 2 questions from question numbers 24 to 27. Each carries 5 scores.

Question 24.
The cash book shows a debit balance of Rs. 10, 800. on comparing the cash book with passbook the following discrepancies were found. Help them to reconcile the same.

Question 25.
Help Ramu a friend of you to prepare a Trial
Balance with the following items.

Question 26.
Rectify the following errors
a. Credit sales to Mohan र 1200 was not recorded
b. Rent paid र 6000 was posted to Ramu (Laird Lord) personal account
c. Cash sales र 2000 were posted as र 200
d. Sales book overcast by र 3000
e. Purchases book under cast by र 4000

Question 27.
Aroop sold goods to Salini on January, 1st 2017 for र 40000 and drew upon her a bill of exchange for three months. Salini accepted the bill and returned to Aroop. Aroop discounted the bill by an interest of 8% p.a on 02-01-2017. On the due date, the bill was dishonored. Record the entries in the books of Aroop

Answer question number 28, which carries 8 scores.

Question 28.
From the following Trial Balance of M/s. Goutham and Son’s as on 31 st December 2016 prepare a Trading and Profit & Loss Account and Balance sheet.


Adjustment:
a. Closing Stock र 12,300
b. Outstanding wages र 200 and salary र 100
c. Accrued commission र 300
d. Create 5% provision for bad and doubtful debts.
e. Charge 10% depreciation on Machinery.

Answers

Answer 1.
Consistency

Answer 2.
Goods are ordered for next month

Answer 3.
Journal proper / Purchase book

Answer 4.
Creditor

Answer 5.
Monitor [Output component]
OR
Pen drive [Storage device ]

Answer 6.
Employee

Answer 7.
An asset

Answer 8.
Relationship/ER Model/Entity Relationship

Answer 9.
Profit on sale of investment – Gain
Interest Received – Revenue
Goods sold at above cost – Profit
Depreciation – Expense

Answer 10.
a. Rs.500000
b. Historical cost concept/Cost principle

Answer 11.
1. Cash transactions are recorded directly from source documents
2. Cash and bank balance can be determi­ned. Thus there is no need for preparing cash a/c or bank a/c.

Answer 12.
a. Input
b. output
c. Memory unit
d. Control unit

Answer 13.
a. Disruptions
b. Staff opposition
c. Provision
d. Reserve

Answer 14.

Answer 15.

Answer 16.
Gross Profit = Net sales – Cost of goods sold
Cost of goods sold = Opening stock + Net purchases + Direct expenses – Closing stock
CGS = 100000 + 900000 + 80000-150000
=930000
GP= 150000-930000 = 570000

Answer 17.

Answer 18.
Accounting report is a collection of related information. It is a physical form of account­ing information. It helps in decision making.

Answer 19.
a. GAAP – Generally Accepted Account­ing Principles
b. IFRS – International Financial Reporting Standards
c. ICAI – Institute of Chartered Account­ing of India.

Answer 20.

1. Goods are withdrawn for Personal use
2. Introduced stock into the business
3. Paid cheque to Rejitha
4. Sales A/C closed

Answer 21.

Answer 22.

Answer 23.
Insurance paid in advance A/C – Debit
Insurance – Credit
Discount allowed A/C – Debit
Mr. Anandu A/C – Credit
Drawings A/C – Debit
Purchases A/C – Credit
Depreciation A/C – Debit
Machinery A/C – Credit

Answer 24.

Answer 25.

Answer 26.

Answer 27.

Answer 28.

Plus One Accountancy Previous Year Question Papers and Answers