A COMPUTER SYSTEM

Hard Disk is present inside the _______ box.

• square

• LED

• CPU

• all

• none

________ keys are either used alone or in combination with other keys to perform certain actions.

• control

• typing

• navigation

• all

• none

A computer has ________ main parts.

• three

• two

• four

• all

• none

A CPU is made up of MU, CU, and_______.

• ATM

• ALU

• SOI

• all

• none

________ mouse is a multi- touch mouse.

• optical

• magic

• scroll

• all

• none

_______ are used to listen to music and sound stored in a computer.

• speakers

• joystick

• light pen

• all

• none

The output printed on the paper is called ______ copy.

• duplicate

• hard

• soft

• all

• none

The software that helps you to do a special type of work is called _______ software.

• application

• input

• completed

• all

• none

Who is known as the ' Father of Computer'?

• Charles Babbage

• David R. Woolley

• Larry page

• all

• none

_________ is used to read the text or pictures printed on a paper.

• keyboard

• printer

• scanner

• all

• none