Plus One Public Exam March 2019 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 is true?

(a)

expression 1? expression 2 : expression 3 ;

(b)

expression 1: expression 2 ? expression 3 ;

(c)

expression 1; expression 2 : expression 3 ?

(d)

expression I? expression 2 ; expression 3 ?

Which of the following is an alternative for 'if else statement'?

(a)

Relational operator

(b)

Logical operator

(c)

Unary operator

(d)

Conditional operator

Which of the statement(s) called as control flow?

(a)

branching

(b)

iteration

(c)

jumping

(d)

function calls

(e)

all of these

The null or empty statement is a statement containing only a _________.

(a)

semicolon (;)

(b)

colon (:)

(c)

comma ,

(d)

bracess { }

How many times the following loop with execute? for (int i=0; i<10; i++).

(a)

(b)

(c)

(d)

In C++, the group of statements should be enclosed within:

(a)

{ }

(b)

[ ]

(c)

( )

(d)

< >

In which of the following method the function works directly on the original object?

(a)

pass by method

(b)

pass by reference

(c)

pass by argument

(d)

pass by value

Which of the following function is not advisable when a member function having many statements?

(a)

Normal

(b)

in-line

(c)

outline

(d)

non-inline

Which of the following represents the properties of a class?

(a)

members functions

(b)

data members

(c)

access specifiers

(d)

procedures

10.

By default, structure members are create as ________.

(a)

protected

(b)

private

(c)

public

(d)

none of these

11.

Who developed C++?

(a)

Bjurne Strustrup

(b)

James Goushing

(c)

Dennis Retchie

(d)

Ken Thomson

12.

The derived class member, functions have the same of the base class member functions is called ________.

(a)

overloading

(b)

data hiding

(c)

data binding

(d)

over riding

13.

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

14.

In which type of inheritance the base class do not have any relationship between them?

(a)

Multilevel inheritance

(b)

Hierarchical inheritance

(c)

Multiple inheritance

(d)

Hybrid inheritance

15.

"Phishing without a trop" called _________.

(a)

Hacking

(b)

Cracking

(c)

Pharming

(d)

Warehouse

16.

Who breaks into someone else's computer system called _________.

(a)

Hacker

(b)

Cracker

(c)

Breaker

(d)

Cipher

17.

The first argument of get() function is _________.

(a)

size of an array

(b)

name of an array

(c)

index number

(d)

number of elements

18.

Which of the following is a crime which involves computer and network?

(a)

Phishing

(b)

Pharming

(c)

Hacking

(d)

Piracy

(e)

All of these

19.

If array is not initialized, all the array elements contain _________.

(a)

initial value

(b)

garbage value

(c)

final value

(d)

no value

20.

A variable declared above all blocks and functions and main ( ) function has the scope _______.

(a)

file

(b)

function

(c)

class

(d)

local

21.

The process of converting cipher text to plain text is called

(a)

Encryption

(b)

Decryption

(c)

key

(d)

proxy server

22.

Which of the following cannot be a structure member?

(a)

Another structure

(b)

Function

(c)

Array

(d)

variable of double datatype

23.

The first Tamil programming language is ________.

(a)

Ezhil

(b)

Kuzhal

(c)

Thamizpori

(d)

kamban

24.

In white OS, Sellinam Tamil keyboard layout works?

(a)

windows

(b)

linux

(c)

Android

(d)

iOS

25.

Which of the following search engine gives Tamil virtual keyboard?

(a)

Bing

(b)

Yahoo

(c)

Safari

(d)

Google

26.

Which of the following is the collection of variables of the same type that an referenced by a common name?

(a)

int

(b)

float

(c)

Array

(d)

class

27.

Which of the following is not a return type of pow() function?

(a)

integer

(b)

double

(c)

float

(d)

long double

28.

Which of the following feature of oops acquires the properties of the existing class?

(a)

polymorphism

(b)

Encapsulation

(c)

Inheritance

(d)

Data abstraction

29.

class x
{
int y;
public:
x(int z){y=z;}
} x1[4];
int main()
{ x x2(10);
return 0;}
How many objects are created for the above program?

(a)

(b)

(c)

(d)

30.

How many modifiers are there in C++?

(a)

(b)

(c)

(d)

31.

Which of the following is not a new fundamental datatype?

(a)

bool

(b)

char 16-t

(c)

char 32-t

(d)

char

32.

Inheritance is a process of creating new class from

(a)

Base class

(b)

abstract

(c)

derived class

(d)

Function

33.

Which of the following is not a pow() function argument?
(i) base
(ii) exponent
(iii) character

(a)

Only (i)

(b)

Only (ii)

(c)

Only (iii)

(d)

both (ii) and (iii)

34.

The result of sqrt(-9) is _______.

(a)

(b)

-3

(c)

(d)

error

35.

Which of the following used to identify the type of data and associated operations of handling it?

(a)

literals

(b)

Datatypes

(c)

Keywords

(d)

puntuators

36.

Which of the following provides the security of data?

(a)

Inheritance

(b)

Polymorphism

(c)

Data Abstraction

(d)

Encapsulation

37.

Which of the following function does not return I?

(a)

isupper ()

(b)

toupper()

(c)

islower()

(d)

isdigit()

38.

Which of the following statement is true?
(i) Modular Programming Emphasis on algorithm rather than data
(ii) Object oriented programming emphasis on data rather than algorithm.

(a)

only (i)

(b)

only (ii)

(c)

both (i) and (ii)

(d)

none of these

39.

How many different approaches are there for problem solving using computer?

(a)

(b)

(c)

(d)

40.

Which of the following identifies a given member function is a constructor?

(a)

compiler

(b)

class

(c)

object

(d)

method

41.

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

42.

void dispchar(char ch='$';int size=10)
{
for(int i=1;i < = size;i++)
cout < < ch
}
How will you invoke the function dispchar() for the following input?
To print $\$$ for 10 times

(a)

dispchar ();

(b)

dispchar( ch,size);

(c)

dispchar($,10);

(d)

dispchar('$',10 times);

43.

The paradigm which aims more at procedures.

(a)

Object Oriented Programming

(b)

Procedural programming

(c)

Modular programming

(d)

Structural programming

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.

Which of the following is a current statement?
(i) C++ is a Hybrid language
(ii) C++ not an object driven language
(iii) C++ supports exception handling
(iv) Data hiding possible

(a)

only (i)(ii)

(b)

only (i), (iii)

(c)

only (i), (iii),(iv)

(d)

only (iii), (ii)

47.

In which year, the first standardized version, was published?

(a)

1983

(b)

1984

(c)

1998

(d)

2014

48.

Literals are also called ________.

(a)

constants

(b)

punctuators

(c)

operators

(d)

identifiers

49.

Identifiers are also called ________.

(a)

literals

(b)

constants

(c)

variables

(d)

seperators

50.

Which of the following data types is not a fundamental type?

(a)

signed

(b)

int

(c)

float

(d)

char

51.

The smallest individual unit in a program is:

(a)

Program

(b)

Algorithm

(c)

Flowchart

(d)

Tokens

52.

Which one of the following is not an algorithm.

(a)

NTFS

(b)

FIFO

(c)

SJE

(d)

Round Robin

53.

The most common way of opening a file or a Folder is to __________________click on it.

(a)

left

(b)

right

(c)

double

(d)

single

54.

How many important points the loop variant is true?

(a)

(b)

(c)

(d)

55.

Which of the following is the key to construct iterative algorithms?

(a)

loop invariant

(b)

loop updation

(c)

loop variable

(d)

loop condition

56.

Using this recursive definition
$a^n= \begin{cases}1 & \text { if } n=0 \\ a \times a^{n-1} & \text { otherwise }\end{cases}$
how many multiplications are needed to calculate a¹⁰?

(a)

(b)

(c)

(d)

57.

Binary Multiplication in possible with........

(a)

0 and 1

(b)

0 and 0

(c)

1 and 1

(d)

All the above

58.

How the CD data is represented?

(a)

Pits

(b)

Tracks

(c)

Lands

(d)

Rings

59.

Which of the following programs uses ASCII Code?

(a)

Only C

(b)

only C++

(c)

Both C, C++

(d)

Java

60.

Which of the following transfer data up to 5 Gigabyte / second?

(a)

USB 1.0

(b)

USB 2.0

(c)

USB 3.0

(d)

USB 1.2

61.

Match the following.

(i) Tablet OS	(1) Linux
(ii) Desktop OS	(2) Android
(iii) Smart phone OS	(3) ios
(iv) OS used in super computer	(4) Windows 7

(a)

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

(b)

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

(c)

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

(d)

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

62.

The expansion of LCD is _____

(a)

Liquid Cathode Diodes

(b)

Liquid Cluster Display

(c)

Liquid Crystal Display

(d)

Live Extract Display

63.

Which term refers to a part which together with another makes up a whole?

(a)

Signed

(b)

Unsigned

(c)

Complement

(d)

Uncomplement

64.

The 4 bit binary equivalent of -5 is......

(a)

1101

(b)

0101

(c)

1100

(d)

-101

65.

Which program or software is available free of charge?

(a)

Open source

(b)

Closed source

(c)

Shareware

(d)

none of these

66.

Which are the symbols seen while collapsing and expanding the folder list in Windows explorer?

(a)

*,?

(b)

@,?

(c)

+,-

(d)

*,-

67.

The shortcut key is used to paste the cutted file or folder is _____

(a)

Ctrl + V

(b)

Ctrl + P

(c)

Alt + P

(d)

Shift + V

68.

Which command is used to cut file or folder?

(a)

File ⟶ Cut

(b)

Edit ⟶ Cut

(c)

Edit ⟶ Move

(d)

Format ⟶ Cut

69.

"75% of Men likes cricket" is............

(a)

Information

(b)

data

(c)

knowledge Record

(d)

Record

70.

Which is the most effective tool used for managing program complexity ______.

(a)

Specification

(b)

Control flow

(c)

Composition

(d)

none of these

71.

Which defines the rights and responsibilities of the algorithm?

(a)

Abstraction

(b)

Composition

(c)

Specification

(d)

None of these

72.

The first commercial microprocessor is a ..........bit processor.

(a)

(b)

(c)

(d)

73.

How many types of operations carried out of instruction set?

(a)

(b)

(c)

(d)

74.

Which of the following is the heart of the computer?

(a)

CPU

(b)

HDD

(c)

SSD

(d)

ANN

75.

Which unit does the processing of data?

(a)

CPU

(b)

Registers

(c)

Input unit

(d)

Output unit

76.

Which of the following process computer instructions?

(a)

ALU

(b)

Control Unit

(c)

(d)

Microprocessor

77.

Which is the combination of hardware and software?

(a)

Programs

(b)

Computer

(c)

Data

(d)

Information

78.

Which is intended to solve a problem?

(a)

Program

(b)

Statements

(c)

Process

(d)

algorithm

79.

Which of the following is an integrated circuit?

(a)

Personal computers

(b)

Microprocessors

(c)

INTEL

(d)

Transistors

80.

Which is a basic electronic circuit which operates on one or more signals?

(a)

Boolean algebra

(b)

Gate

(c)

Fundamental gates

(d)

Derived gates

81.

Suppose u, v = 10, 5 before the assignment. What are the values of u and v after the sequence of assignments?
1 u :=v
2 v := u

(a)

u, v = 5,5

(b)

u, v = 5,10

(c)

u, v = 10,5

(d)

u, v = 10,10

82.

Which of the following is a concept of having more than one operating system on single PC?

(a)

Multiuser

(b)

Multi tasking

(c)

Multiprocessor

(d)

Virtual

83.

Which of the following operating system are not in mobile phones?

(a)

Symbian

(b)

Linux

(c)

Apple iOS

(d)

Google Android

84.

Testing a loop condition and executing the loop body once is called _________

(a)

alternative

(b)

sequence

(c)

condition

(d)

iteration

85.

Which of the following is an iterative statement?

(a)

If CS

(b)

While CS

(c)

--P S1 --Q

(d)

both (a) and (b)

86.

Which of the following is (are) a control flow statements?

(a)

Sequential

(b)

Alternative

(c)

Iterative

(d)

All of these

87.

Ensuring the input-output relation is

(a)

the responsibility of the algorithm and the right of the user.

(b)

the responsibility of the user and the right of the algorithm.

(c)

the responsibility of the algorithm but not the right of the user.

(d)

the responsibility of both the user and the algorithm.

88.

Display devices are connected to the computer through

(a)

USB port

(b)

Ps/2 port

(c)

SCSI port

(d)

VGA connector

89.

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

(a)

blocks

(b)

sectors

(c)

pits

(d)

tracks

90.

Which of the following OS is not based on Linux?

(a)

Ubuntu

(b)

Redhat

(c)

CentOs

(d)

BSD

91.

Which is the default folder for many Windows Applications to save your file?

(a)

My Document

(b)

My Pictures

(c)

Documents and Settings

(d)

My Computer

92.

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

93.

File Management manages

(a)

Files

(b)

Folders

(c)

Directory systems

(d)

All the Above

94.

Operating system is a

(a)

Application Software

(b)

Hardware

(c)

System Software

(d)

Component

95.

How many memory locations are identified by a processor with 8 bits address bus at a time?

(a)

(b)

1024

(c)

256

(d)

8000

96.

Which is the fastest memory?

(a)

Hard disk

(b)

Main memory

(c)

Cache memory

(d)

Blue-Ray disc

97.

How many characters can be handled in Binary Coded Decimal System?

(a)

(b)

255

(c)

256

(d)

128

98.

Which refers to the number of bits processed by a computer's CPU?

(a)

Byte

(b)

Nibble

(c)

Word length

(d)

Bit

99.

Identify the input device

(a)

Printer

(b)

Mouse

(c)

Plotter

(d)

Projector

100.

Identify the output device

(a)

Keyboard

(b)

Memory

(c)

Monitor

(d)

Mouse

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Answers Key:

Multiple Choice Question

100 x 1 = 100

(a)
expression 1? expression 2 : expression 3 ;

(d)
Conditional operator

(e)
all of these

(a)
semicolon (;)

(b)
10

(a)
{ }

(b)
pass by reference

(b)
in-line

(b)
data members

10.

11.

(a)
Bjurne Strustrup

12.

(d)
over riding

13.

(b)
only (ii)

14.

15.

16.

(b)
Cracker

17.

(b)
name of an array

18.

(e)
All of these

19.

(b)
garbage value

20.

(a)
file

21.

(b)
Decryption

22.

(b)
Function

23.

(a)
Ezhil

24.

25.

(d)
Google

26.

27.

(a)
integer

28.

(d)
Data abstraction

29.

(b)
14

30.

(d)
4

31.

(d)
char

32.

(a)
Base class

33.

34.

(d)
error

35.

(b)
Datatypes

36.

37.

(b)
toupper()

38.

39.

(b)
3

40.

(a)
compiler

41.

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

42.

43.

(b)
Procedural programming

44.

(b)
x=display()

45.

(a)
stdio.h

46.

47.

48.

(a)
constants

49.

50.

(a)
signed

51.

(d)
Tokens

52.

(a)
NTFS

53.

54.

(d)
4

55.

(a)
loop invariant

56.

57.

(d)
All the above

58.

(a)
Pits

59.

60.

61.

(d)

i) ii) iii) iv)

3 4 2 1

62.

(b)
Liquid Cluster Display

63.

64.

(a)
1101

65.

(a)
Open source

66.

67.

(a)
Ctrl + V

68.

(b)
Edit ⟶ Cut

69.

(a)
Information

70.

(d)
none of these

71.

72.

73.

(a)
5

74.

(a)
CPU

75.

(a)
CPU

76.

(a)
ALU

77.

(b)
Computer

78.

(d)
algorithm

79.

(b)
Microprocessors

80.

(b)
Gate

81.

(a)
u, v = 5,5

82.

(d)
Virtual

83.

(b)
Linux

84.

(d)
iteration

85.

(b)
While CS

86.

(d)
All of these

87.

(d)
the responsibility of both the user and the algorithm.

88.

(d)
VGA connector

89.

90.

(d)
BSD

91.

(a)
My Document

92.

(d)
all of the above

93.

(d)
All the Above

94.

95.

96.

97.

(a)
64

98.

99.

(b)
Mouse

100.

Plus One Computer Science Public Exam March 2019 One Mark Question Paper

QB365 Student Learing Managemnet System

Std: 11th Standard - Computer Science

chapter: - Model Question paper

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Answers Key:

NEW MCQ Practice Test - Tamilnadu Stateboard Class 11

Computer Science Tamilnadu Stateboard Class 11 MCQ Practice Test

Tamilnadu Stateboard Class 11 MCQ Practice Test

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