More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

NAT I Computer Science Computer MCQs With Answers

Question # 1

When more than one attributes act as primary key then each is called

Choose an answer

Foreign key

Secondary key

Concatenated key

Composite key

Skip

Question # 2

The information contained in this type of memory is lost power is switched off:

Choose an answer

Disk Memory

Read only memory

Random access memory

Magnetic memory

Skip

Question # 3

An opened file must be_________before terminating the program

Choose an answer

Closed

Saved

Compiled

Retrieved

Skip

Question # 4

When you change tab setting or indents on the ruler key they affect

Choose an answer

The entire document

The paragraph at the top of the screen

The selected paragraph

All paragraphs after the insertion point

Skip

Question # 5

Which of the following is a valid character constant?

Choose an answer

"b"

'6'

Skip

Question # 6

The reason for using computers is / are that they

Choose an answer

Work much faster

Never get tired

Can do the jobs dangerous for human beings to do

All of the above

Skip

Question # 7

Which of the following operators are used to express the conditions?

Choose an answer

Arithmetic operator

Relational operator

Assignment operator

Logical operator

Skip

Question # 8

Registers are located inside

Choose an answer

ROM

RAM

CPU

All of the above

Skip

Question # 9

The cables that consists of tubes of glass through which data are transmitted as pulses of light is

Choose an answer

Twisted pair

Coaxial cable

Fiber optic

None of the above

Skip

Question # 10

DBMS must be able to accept

Choose an answer

Data definitions

Programs

Data records

Information

Skip

Question # 11

Which of the following key is used to save a file?

Choose an answer

Skip

Back