Computer Knowledge Questions and Answers

Computer Knowledge Questions and Answers

Computer Knowledge Practice Test Questions

1.What type of device is Joystick ?

a)Input

b)Output

c)I/O

d)None of these

Show Answer

Ans:A

Joy stick is used to control Video games.

2.MS-Dos is a/an ?

a)Software Company name

b)Spread sheet application

c)Operating System

d)Video game

Show Answer

Ans:C

Ms-Dos means Microsoft disk operating system.

3.Transistors used in Which generation Computers ?

a)First Generation

b)Third Generation

c)second Generation

d)fourth Generation

Show Answer

Ans:C

Transistors were developed in late 1940’s.they are used in second generation computers instead of Vacum tubes.

4._____memory can speed up Central Processing Unit(CPU) ?

a)RAM

b)PROM

c)ROM

d)Cache

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Ans:D

Cache memory stores data for temporary use.

5.Full form of USB is ?
Wordpress 4GB USB Stick

a)Uniform Semiconductor Bus

b)Universal Serial Bus

c)Universal Section Bus

d)Unique Search Bus

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Ans:B

6.Which of the following is exmple for Secondary storage device ?

a)Cache memory

b)Random Access memory(RAM)

c)BIOS

d)Hard disk

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Ans:D

7.Total number of Functional keys present on the Keyboard ?

a)8

b)11

c)12

d)10

Show Answer

Ans:C

Standard funtions are assigned to Functional keys.F1 to F12 keys are called as functional keys.

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