1. The document describes the basic components of a computer system including input devices, output devices, storage devices, and processing units. 2. Input devices take data and instructions from the outside world and send them to the central processing unit. Common input devices include keyboards, mice, scanners, and digital cameras. 3. Output devices take information from the central processing unit and present it for humans to see and interact with. Common output devices include monitors, printers, and plotters.

1. 3

2. •
•
•

4. Input
Process output

5. Proc
ess

8. 1.
" " (Input Device)

9. Digital
Camera

10. keyboard mouse

11. • (Mouse)
•
(Scanner)

12. Input Units
KeyboardDigital Camera
Mouse Pen
Track BallDigitizer
Scanner

13. (Central
Processing Unit : CPU )

15. Central
Processing Unit CPU
• control unit
•

17. 2
3.1 (Random Access Memory : RA
3.1 (Read only Memory : ROM )

18. •
•
•
•

20. (Random Access Mem

21. (Read Only Memory :

24. (Floppy Disk)
• Diskette
•
(Track)

25. (Floopy Disk)
disks

26. (Cylinder)

29. •
(Cartridge Tape)

32. •
–
–
–
Drive

34. •

35. ) (O
"
(Output Device)

36. (Output

37. (Monocrome Monitor) (Truec

42. Plotter

43. (InkJet)

45. Input Output

46. 30
A. CPU B. UPC
C. PSU D. UBC

47. Alphabet Buttons Appear Her

49. <Scoreboard will appear here, leave shape as-is.>