IN YOUR OWN WORDS, describe the functions of these computer components:
1. Operating System
2. Processors
3. Keyboard
4. Video Card
5. Hard Drive
6. Chassis
7. Mouse
8. Optical Drive
9. Sound Card
10. Productivity Software
11. Cooling
12. Memory
13. Monitor
14. Microphone & Speaker
15. USB Port
16. FireWire Port
17. HDMI
18. Audio CARD
19. Parallel Port
20. Serial Port
21. Graphics Card
22. BIOS
23. Mother Board
24. RJ Port
25. A drive
26. B drive
27. C drive
28. D drive
29. E drive
30. External Drive