+2 Computer Science Common Online One Word questions 12th

Virudhunagar District , +2 Computer Science Common Online One Word questions

1. To create a new source file open Dev C++ and select -------.

File-->New-->Source file

a and b

ctrl+N

File-->New-->File source

2. for(int i=0 ; ; ++i) this statement is displayed infinitely.

false

true

3. Identify the following flowchart symbol ----->

process

control way

input / output

start / stop

4. Which of the following data type is a derived data type?

int

class

array

float

5. Give that i=8 ,j=10and k= 8 what will be the result of the following expression. j!=k

10

8

0

1

6. Identify the type of icon in the following - Local disk(D)

all of the above

short icon

standard icon

disk drive icon

7. Operating system is a

hardware

system software

application software

component

8. Types of operating system

2

4

1

3

9. Uses of iteration statements

all of the above

it reduces the length of code

it executes the program and takes less memory space

reduces time

10. which one is the valid value for char data type in C ++?

H

5

"asb"

'5'

11. How many categories of data types are available in C++

3

4

5

2

12. for( int i=0;i<10;i++) how many times the iteration will functioned?

10

11

9

0

13. First generation computers used

integrated circuits

vacuum tubes

transistors

microprocessor

14. which of the following OS support mobile devices

BOSS

iOS

Windows 7

Linux

15. Flowchart is the pictorial form of solution to a problem

false

true

16. Name the volatile memory

PROM

EPROM

ROM

RAM

17. ------- is a special data type it stores nothing.

float

int

void

class

18. In C ++ the group of statements should be enclosed with in ------.

< >

( )

{ }

[ ]

19. An example for single user Operating System is-------

Windows

MS - DOS

Unix

Linux

20. Which of the following is the exit control loop?

if

for

while

do....while

21. Some illegal operations that takes places.

run time error

semantic error

Syntax error

all of the above

22. Expand RAM

Read only Memory

Random only memory

Rendom access memory

Random access memory

23. Which of the following is called entry control loop?

goto

switch

do..while

for,while

24. How many types of iteration?

4

3

2

5

25. Which simple determined statement

while

if

if...else

switch

26. Say true or false Algorithm is written in a computer language

true

false

27. Identify the int constant literals

850

'A'

"Apple"

26.8

28. Save the file using shortcut key

ctrl+B

ctrl+A

ctrl+C

ctrl+S

29. The smallest individual unit in a program is -----.

tokens

program

algorithm

flowchart

30. Which can you create a new folder

File-->New-->Folder

Edit-->New--> Folder

do right click new--> Folder

a and b