COMPUTER
ICT-!
ICT-2
ICT3
ICT4
100

RAM stands for

Random access memory

100

ALU Stands for

Airthematic Logic Unit

100

CD Stands for

Compact Disk

100

Primary memory is divided in to 

Two Parts

100

Shortcut for UNDO

Ctrl+Z

200

ROM stands for

Read only memory

200

Paste Shortcut

Ctrl+V

200

Example of Secondary Device 

Pen drive

200

Subscripts stands for

Text should be Below the text line

200

Floppy disk is

Storage device

300

Computer stands for

Common operating machine particular used technical education research

400

BIOS stands for

Basic Input Output system

500

UPS stands for

Uninterrupted Power suply