11 Who invented laptop?

Osborne computers limited

12 Who built the first computer window?

Microsoft Company

13 Who founded Microsoft?

Bill Gates and Paul Allen

14 When was first computer window introduced?

20^th November 1985

15 PC stands for

Personal Computer

16 When was first video game invented?

October 1958

17 Who invented the first video game?

William Higinbotham

18 What is computer science?

Theoretical, Experimental and engineering study of computer

19 CPU is also called

Brain of computer

20 CD stands for

Compact Disk