Important questions (Short Questions) 09-Sep-2013

Important questions (Short Questions)

1. what is ENIAC?
2. what is computer?
3. what is a computer program?
4. what is port?
5. what is computer software?
6. what is Address Bus?
7. define control bus?
8. define output?
9. what are the main units of a computer?
10. what is plotter?
11. what is RAM.
12. what is Laser Printer?
13. what is meant by drag and drop?
14. how many types of keys are there
15. what is backing storage device?
16. how does memory work?
17. what is magnetic tape storage?
18. what are Non-Impact Printers?
19. what is compact disk?