11th Public Exam March 2019 Important One Mark Question Paper

Download Tamil Nadu 11th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions:

Multiple Choice Question

100 x 1 = 100

Which of the following statement used to transfer control from one part to another part without any condition?

(a)

(b)

if-else

(c)

goto

(d)

if-else-if

Which of the following is a selection statement?

(a)

for

(b)

while

(c)

do-while

(d)

none of these

A group of statements enclosed by { } is called ________.

(a)

body statement

(b)

iterative statement

(c)

compound statement

(d)

continue statement

How many kinds of statement used in C++?

(a)

(b)

(c)

(d)

only 1

Which of the following statement is true or false?
(i) Test (Test &);//parameterized constructor declaration
(ii) Test:: Test (Test &T) {}; //copy constructor definition
(iii) Test T1 (10,20);//object created for parameterized constructor
(iv) Test:: Test( ) {}; //non-parameterisied constructor definition

(a)

i-false, ii-true, iii-true, iv-false

(b)

i-true, ii-true, iii-false, iv-true

(c)

i-false, ii-true, iii-true, iv-true

(d)

i-false ii-true, iii-false, iv-true

Which of the following statement true or false?
(i) default constructor created in the absence of user defined constructor
(ii) default constructor cannot allocates memory for the object.

(a)

i-true, ii-false

(b)

i-false, ii-true

(c)

i-true, ii-true

(d)

i-false, ii-false

Member function of a class can access all the members irrespective of their?

(a)

data types

(b)

constructor definition

(c)

access specifiers

(d)

operator used

A loop that contains another loop inside its body:

(a)

Nested loop

(b)

Inner loop

(c)

Inline loop

(d)

Nesting of loop

The multi way branch statement:

(a)

(b)

if...else

(c)

switch

(d)

for

10.

Instantiating object is done using _______.

(a)

inline function

(b)

outline function

(c)

constructor

(d)

initialize an object

11.

When a member function is defined outside a class, it behaves like________.

(a)

inline function

(b)

non-line function

(c)

procedural function

(d)

public function

12.

Overriding of the members are resolved by using_________.

(a)

(b)

;

(c)

: :

(d)

this

13.

The private members of base class can be accessed indirectly by the derived class by using base class public or protected________.

(a)

data members

(b)

access specifiers

(c)

member functions

(d)

visibility mode

14.

Which of the following class destructor expires first____________
(i) base class
(ii) derived class

(a)

only (i)

(b)

only (ii)

(c)

both (i) and (ii)

(d)

none of these

15.

"Phishing without a trop" called _________.

(a)

Hacking

(b)

Cracking

(c)

Pharming

(d)

Warehouse

16.

Which of the following statement is false?
(i) Duplicating and selling copyrighted programs is called software piracy
(ii) Downloading software illegally through network is called software piracy.
(iii) Unauthorized copying of software is called software piracy

(a)

only (i)

(b)

only (ii)

(c)

only (iii)

(d)

both (i) and (iii)

17.

When a class derived from a class which it self is a derived class is called ________.

(a)

Multiple

(b)

Multiple

(c)

hybrid

(d)

None of these

18.

Which of the following is used to access the pointer type members of the structure?

(a)

(b)

(c)

\(\rightarrow\)

(d)

;

19.

Which of the following is exist between the object name and the member name?

(a)

dot

(b)

colon

(c)

comma

(d)

semicolon

20.

Which of the following crime that tricking people into believing something is not true?

(a)

Spam

(b)

Spoofing

(c)

Scam

(d)

Harvesting

21.

Which of the following deals with procedures, practices and values?

(a)

piracy

(b)

programs

(c)

virus

(d)

computer ethics

22.

When accessing a structure member, the identifier to the left of the dot operator is the name of

(a)

structure variable

(b)

structure tag

(c)

structure member

(d)

structure function

23.

Which country provides all their services through the official website in Tamil?

(a)

Srilanka

(b)

America

(c)

Singapore

(d)

Malaysia

24.

Which of the following provide searching facilities in Tamil?

(a)

Google

(b)

Bing

(c)

Safari

(d)

both a and b

25.

In India, Which is the most widely language in Internet?

(a)

Tamil

(b)

Hindi

(c)

Kannada

(d)

Malayalam

26.

cin >>n[3]; To which element does this statement accepts the value?

(a)

(b)

(c)

(d)

27.

Which of the following statement is true or false?
(i) Strcat ( ) function appends copy of the character string pointed by the source to the memory location pointed by target.
(ii) strcpy () function appends copy of the character string pointed by the source to the end of the string pointed by the target.
(iii) strcmp ( ) and strlen ( ) function takes two arguments.
(iv) strcmp ( ) function compares the contents of strings lexicographically

(a)

(i) true, (ii) false, (iii) false, (iv) true

(b)

(i) false, (ii) true, (iii) false, (iv) false

(c)

(i) false, (ii) false, (iii) false, (iv) true

(d)

(i) false, (ii) false, (iii) false, (iv) false

28.

Which of the following is a scope resolution operator?

(a)

;

(b)

(c)

29.

The member function defined within the class behave like________functions.

(a)

inline

(b)

Non inline

(c)

Outline

(d)

Data

30.

Which of the following is also called automatic conversion?

(a)

Explicit

(b)

Type promotion

(c)

Type casting

(d)

Implicit

31.

Which of the following refers to the accessibility of a variable?

(a)

return

(b)

inline

(c)

void

(d)

scope

32.

The parameters used in the function definition are known as _______.

(a)

actual

(b)

formal

(c)

main

(d)

built-in

33.

The literal meaning for datatype is empty space ________.

(a)

int

(b)

empty

(c)

bool

(d)

void

34.

A class is derived from a class which is a derived class itself, then this is referred to as

(a)

multiple inheritance

(b)

multilevel inheritance

(c)

single inheritance

(d)

double inheritance

35.

The body of the function always enclosed with _______.

(a)

[]

(b)

{}

(c)

()

(d)

36.

Which of the following statement is true
(i) Object oriented programs are much larger than other programs
(ii) Object oriented programs require a lot of work to create.
(iii) Object oriented programs are slower than other programs because of their size

(a)

both (i) and (ii)

(b)

both (ii) and (iii)

(c)

only (iii)

(d)

all of these

37.

Which of the following is the most important and powerful way of creating software?

(a)

Procedural Programming

(b)

Modular Programming

(c)

Object Oriented Programming

(d)

Encapsulation Programming

38.

Which of the following is an approach to programming?

(a)

Modules

(b)

Procedures

(c)

Paradigm

(d)

behaviour

39.

Which of the following statement is true or false?
(i) Function overloading reduces the number of comparison in a program
(ii) Function overloading makes the program execute faster
(iii) Function overloading helps by reducing the number of function names to be remembered
(iv) Scope resolution operator cannot be overloaded.

(a)

i-false, ii-true, iii-true, iv-false

(b)

i-true, ii-true, iii-true, iv-true

(c)

i-false, ii-false, iii-true, iv-true

(d)

i-true, ii-true, iii-false, iv-true

40.

Which of the following statement is true or false?
(i) Polymorphism means many shapes
(ii) Polymorphism is acheived through overloading
(iii) Overloading means a name having only one distinct meaning
(iv) Overload resolution means not selecting appropriate overloaded function

(a)

i-true, ii-true, iii-false, iv-false

(b)

i-true, ii-false, iii-true, iv-false

(c)

i-false, ii-false, iii-true, iv-true

(d)

i-false, ii-true, iii-true, iv-false

41.

Which of the following operator is by default overloaded by the compiler?

(a)

(b)

(c)

(d)

42.

Match the following

(i) int, char	(1) derived data type
(ii) class	(2) Built-in data type
(iii)Pointer	(3) User-defined data type
(iv) void	(4) fundamental data type

(a)

i)	ii)	iii)	iv)
4	3	1	2

(b)

i)	ii)	iii)	iv)
4	3	2	1

(c)

i)	ii)	iii)	iv)
3	4	1	2

(d)

i)	ii)	iii)	iv)
1	2	4	3

43.

Insulation of the data from direct access by the program is called as

(a)

Data hiding

(b)

Encapsulation

(c)

Polymorphism

(d)

Abstraction

44.

Which of the following function is with a return value and without any argument?

(a)

x=display(int, int)

(b)

x=display()

(c)

y=display(float)

(d)

display(int)

45.

Which of the following header file defines the standard I/O predefined functions?

(a)

stdio.h

(b)

math.h

(c)

string.h

(d)

ctype.h

46.

Match the following

(i) >>	(1) Assignment operator
(ii) >	(2) logical operator
(iii) =	(3) Arithmetic operator
(iv) %	(4) Bitwise operator
(iv) &&	(5) Relation operator

(a)

i)	ii)	iii)	iv)	v)
1	2	4	5	3

(b)

i)	ii)	iii)	iv)	v)
4	5	1	3	2

(c)

i)	ii)	iii)	iv)	v)
5	4	1	2	3

(d)

i)	ii)	iii)	iv)	v)
5	1	2	3	4

47.

The expansion of IDE is ________.

(a)

Important Development Environment

(b)

Integrated Development Environment

(c)

Integrated Digital Environment

(d)

Integrated Digital Extension

48.

Which operator denotes shift left bitwise?

(a)

(b)

>>>

(c)

(d)

<<<

49.

How many ways the numeric constants are classified?

(a)

(b)

(c)

(d)

50.

This can be used as alternate to endl command:

(a)

(b)

(c)

(d)

51.

What will be the result of following statement?
char ch= 'B';
cout << (int) ch;

(a)

(b)

(c)

(d)

52.

In which year E W Dijkstra was awarded ACM Turing Award?

(a)

1972

(b)

1974

(c)

1970

(d)

1971

53.

__________ is a diagrammatic notation for representing algorithms.

(a)

Pseudo code

(b)

Flowchart

(c)

Program

(d)

Languages

54.

_________statement is used to store a value in a variable.

(a)

Assignment

(b)

Sequential control flow

(c)

Alternative control flow

(d)

Iterative

55.

___________is commonly used to measure wave frequencies.

(a)

Hertz

(b)

internal memory

(c)

RAM

(d)

ALU

56.

____________is a magnetic disk on which you can store data.

(a)

compact disc

(b)

hard disk

(c)

DVD

(d)

flasg memory devices

57.

The components of CPU _________

(a)

control unit

(b)

ALU

(c)

Memory unit

(d)

all the above

58.

Which of the following is a recursive solver case?

(a)

Base case

(b)

Recursive case

(c)

loop case

(d)

Both a and b

59.

A loop invariant need not be true

(a)

at the start of the loop

(b)

at the start of each iteration

(c)

at the end of each iteration

(d)

at the start of the algorithm

60.

Which of the following interface transfers the uncompressed video and audio data to a computer monitor?

(a)

DVD

(b)

(c)

HDMI

(d)

HDD

61.

How many ways to create the new folder?

(a)

(b)

(c)

(d)

62.

How many parent directory is allowed for a child directory?

(a)

(b)

Only One

(c)

More than 2

(d)

Less than 6

63.

Which of the statement is true?
(i) Window is a rectangular area in a dialog box.
(ii) Window does not includes a title bar.
(iii) Most of the window's area is not used to display the content.
(iv) Window cannot be overlaid

(a)

Only (iii) and (iv)

(b)

Only (i) and (ii)

(c)

Only (i) and (iii)

(d)

Only (iii) and (iv)

64.

Which of the following statement is not true?
(i) The basic working platform of windows is not a desktop.
(ii) The opening screen of windows is called desktop.
(iii) The appearance of the desktop cannot be changed.
(iv) The desktop consists of icons and task bar.

(a)

Only (i), (iv)

(b)

Only (i) and (iii)

(c)

Only (iii)

(d)

Only (ii) and (iv)

65.

The Right most bit on the binary digit carries the smallest weight is called..........

(a)

LSB

(b)

MSB

(c)

RMB

(d)

LMB

66.

Which device converts light waves into electrical waves?

(a)

Digital Camera

(b)

Light pen

(c)

Track ball

(d)

OCR

67.

In which memory contents can be erased using UV rays?

(a)

PROM

(b)

EPROM

(c)

ROM

(d)

EPROM

68.

1 KB = .............Bytes.

(a)

1000

(b)

1024

(c)

512

(d)

256

69.

How many parameters can be considered to know the magnitude of the number?

(a)

(b)

(c)

(d)

70.

The organized file structure is referred to ______

(a)

Multilevel directory system

(b)

Hierarchical directory system

(c)

Multitasking directory system

(d)

(a) or (b)

71.

Which of the following window element help to resize the windows?

(a)

Corners

(b)

Borders

(c)

(a) and (b)

(d)

Scroll bar

72.

4 bits =................

(a)

Bit

(b)

Byte

(c)

Nibble

(d)

Word

73.

Data means..............

(a)

a set of values

(b)

a set of information

(c)

a set of records

(d)

a set of files

74.

How the information entered in a computer?

(a)

Knowledge

(b)

data

(c)

ASCII Value

(d)

BCD

75.

The first digital computer name was _______.

(a)

EDVAC

(b)

UNIVACI

(c)

ENIAC

(d)

IBM 1620

76.

Which serves as a contract between the designer and users of the algorithm?

(a)

Abstraction

(b)

Specification

(c)

Composition

(d)

Decomposition

77.

Match the following

(i)	Expert System	1	Second Generation
(ii)	Batch Processing	2	Fourth Generation
(iii)	NLP	3	Six Generation
(iv)	Introduction of Laptop	4	Fifth Generation

(a)

i)	ii)	iii)	iv)
4	1	3	2

(b)

i)	ii)	iii)	iv)
1	3	2	4

(c)

i)	ii)	iii)	iv)
3	4	1	2

(d)

i)	ii)	iii)	iv)
4	3	1	2

78.

Which of the following is not an algorithm design technique?

(a)

Specification

(b)

Abstraction

(c)

Control flow

(d)

Composition

79.

Which OS is the most popular Linux based open source software?

(a)

Apple iOS

(b)

Google Android

(c)

Windows

(d)

Blackberry

80.

Which management is the process of managing the operations implementation, maintenance of physical and virtual devices?

(a)

File

(b)

Process

(c)

Memory

(d)

Device

81.

In which operating system the user can exchange the data which each other in real time?

(a)

Distributed

(b)

Real time

(c)

Time sharing

(d)

Multi-user

82.

If C1 is false and C2 is true, the compound statement
1 if CI
2 SI
3 else
4 if C2
5 S2
6 else
7 S3
executes

(a)

(b)

(c)

(d)

none

83.

Which of the following is not included in computer organization?

(a)

I/O devices

(b)

Software

(c)

CPU

(d)

Main memory

84.

How many cases executed atleast by case analysis statement?

(a)

(b)

(c)

(d)

85.

Which of the following describes a test of the statement?

(a)

Order

(b)

Condition

(c)

Statement

(d)

Instruction

86.

Omitting details inessential to the task and representing only the essential features of the task is known as

(a)

specification

(b)

abstraction

(c)

composition

(d)

decomposition

87.

Display devices are connected to the computer through

(a)

USB port

(b)

Ps/2 port

(c)

SCSI port

(d)

VGA connector

88.

What is the smallest size of data represented in a CD?

(a)

blocks

(b)

sectors

(c)

pits

(d)

tracks

89.

Which is the default application for spreadsheets in Ubuntu? This is available in the software launcher?

(a)

Libre Office Writer

(b)

Libre Office Calc

(c)

Libre Office Impress

(d)

Libre Office Spreadsheet

90.

Identify the default email client in Ubuntu?

(a)

Thunderbird

(b)

Firefox

(c)

Internet Explorer

(d)

Chrome

91.

From the options given below, choose the operations managed by the operating system.

(a)

Memory

(b)

Processes

(c)

Disks and I/O devices

(d)

all of the above

92.

File Management manages

(a)

Files

(b)

Folders

(c)

Directory systems

(d)

All the Above

93.

Operating system is a

(a)

Application Software

(b)

Hardware

(c)

System Software

(d)

Component

94.

Which of the following is a CISC processor?

(a)

Intel P6

(b)

AMD K6

(c)

Pentium III

(d)

Pentium IV

95.

How many bits constitute a word?

(a)

(b)

(c)

(d)

determined by the processor used.

96.

For 1101₂ the equivalent Hexadecimal equivalent is?

(a)

(b)

(c)

(d)

97.

Expansion for ASCII

(a)

American School Code for Information Interchange

(b)

American Standard Code for Information Interchange

(c)

All Standard Code for Information Interchange

(d)

American Society Code for Information Interchange

98.

How many bytes does 1 KiloByte contain?

(a)

1000

(b)

(c)

(d)

1024

99.

Which generation of computer used IC's?

(a)

First

(b)

Second

(c)

Third

(d)

Fourth

100.

First generation computers used

(a)

Vacuum tubes

(b)

Transistors

(c)

Integrated circuits

(d)

Microprocessors

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Answers Key:

Multiple Choice Question

100 x 1 = 100

(d)
none of these

(b)
2

(a)
i-true, ii-false

(a)
Nested loop

10.

11.

(b)
non-line function

12.

13.

14.

(b)
only (ii)

15.

16.

(a)
only (i)

17.

(d)
None of these

18.

19.

(a)
dot

20.

(b)
Spoofing

21.

(d)
computer ethics

22.

(a)
structure variable

23.

(a)
Srilanka

24.

(d)
both a and b

25.

(a)
Tamil

26.

27.

28.

29.

(a)
inline

30.

(d)
Implicit

31.

(d)
scope

32.

(b)
formal

33.

(d)
void

34.

(b)
multilevel inheritance

35.

(b)
{}

36.

(d)
all of these

37.

38.

39.

(b)
i-true, ii-true, iii-true, iv-true

40.

(a)
i-true, ii-true, iii-false, iv-false

41.

(d)
==

42.

(a)

i) ii) iii) iv)

4 3 1 2

43.

(a)
Data hiding

44.

(b)
x=display()

45.

(a)
stdio.h

46.

(b)

i) ii) iii) iv) v)

4 5 1 3 2

47.

(b)
Integrated Development Environment

48.

49.

(a)
2

50.

(d)
\n

51.

(d)
66

52.

(a)
1972

53.

(b)
Flowchart

54.

(a)
Assignment

55.

(a)
Hertz

56.

(b)
hard disk

57.

(d)
all the above

58.

(d)
Both a and b

59.

(d)
at the start of the algorithm

60.

(d)
HDD

61.

(a)
2

62.

(b)
Only One

63.

(a)
Only (iii) and (iv)

64.

(b)
Only (i) and (iii)

65.

(a)
LSB

66.

(a)
Digital Camera

67.

(d)
EPROM

68.

(b)
1024

69.

70.

(b)
Hierarchical directory system

71.

72.

(a)
Bit

73.

(a)
a set of values

74.

(b)
data

75.

76.

(b)
Specification

77.

(a)

i) ii) iii) iv)

4 1 3 2

78.

79.

(b)
Google Android

80.

(d)
Device

81.

(a)
Distributed

82.

(b)
S2

83.

(b)
Software

84.

(b)
1

85.

(b)
Condition

86.

(b)
abstraction

87.

(d)
VGA connector

88.

89.

(b)
Libre Office Calc

90.

(a)
Thunderbird

91.

(d)
all of the above

92.

(d)
All the Above

93.

94.

95.

(d)
determined by the processor used.

96.

97.

(b)
American Standard Code for Information Interchange

98.

(d)
1024

99.

100.

(a)
Vacuum tubes

11th Standard Computer Science Public Exam March 2019 Important One Mark Question Paper

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Std: 11th Standard - Computer Science

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