COSMIC | COMPUTER-3 | CH-1 : PARTS OF A COMPUTER

COSMIC | COMPUTER-3 | CH-2 : THE OPERATING SYSTEM

COSMIC | COMPUTER-3 | CH-3 : LOOKING AFTER YOUR COMPUTER

COSMIC | COMPUTER-3 | CH-4 : NOTEPAD

COSMIC | COMPUTER-3 | CH-5 : MSW LOGO