Class Test

A computer is an ................machine .

• Electronic

• Electrical

• Machanical

• Logical

Computer can work very fast according to the given sets of..................

• instruction.

• software

• hardware

• program

A computer can performs millions of calculations within fraction of a ............

• second

• minutes

• hour

• day

A computer has four basic parts such as: CPU, Monitor, Mouse and  .............

• Keyboard

• Hard disk

• Joystick

• printer

  Example of System Software.......................

• Google Android

• Google Chrome

• Ms Word

Examples of application software ..............................

• Ms Windows

• Ms Word

• Hard Disk          

........is a temporary memory that lost all data when PC is switched off                 

• ROM

• RAM

• Hard Disk

• Card

Keyboard is an................. device

• input

• output

• storage

• process

A mouse is an .............pointing device .

• input

• output

• storage

• process

...............controls all the operations of the CPU in the computer.

• CU

• CR

• ALU

• MU