2. Name’s Input devices Keyboard Mouse Trackball Light Pen Joystick Light Pen Touch Screen Touch Pad Tablet/Digitizer/Pressure Fax Machine Webcam Audio Mic

3. mangled keyboard Keyboard Layout 1 2 Function Keys / Special Keys Character keys / Typewriter keys Num Keys / Numerical Keys

4. Wireless Spill Seal 3 4

5. Palm Sized Bluetooth Keyboard Gaming Keyboards 6 5

6. Mouse 2 1 3

7. 5 47 6 9 8 13 111012

8. 15 14 17 16

9. Trackball 2 1 3 4

10. Joystick 65 4 3 2 1

11. Light Pen 32 4 65 1

12. Touch Screen

13. Gaming Touch Pad

14. Tablet

15. Digitizer

16. Pressure

17. Scanner

18. Fax Machine

19. Webcam

20. Audio Mic

22. Monitor Printer Plotter Multimedia Projector Speaker Name’s Output devices

23. Monitor

24. GUI MODE TEXT MODE Setting

25. Inkjet Dot MatrixLaser

26. Plotter

27. Multimedia Project

28. Speaker

30. Processor

31. CU: Control Unit MU: Memory Unit ALU: Arithmetic Logic Unit FPU: Floating Point Unit GPU: Graphics Processing Unit DSP: Digital Signal Processor CPU: Central Processing Unit

33. (SIMM / DIMM) Mother Board

35. Storage Media Primary Storage devices RAM (with types) SIMM-DIMM-SDR-DDR ROM (with types) PROM-EPROM-EEPROM Secondary Storage devices Floppy disk Hard disk Magnetic tape Optical disk (CD-Rom/Worm/DVD-Rom)

36. RAM (Random Access Memory) 2 MB 4 MB 8 MB 16 MB 32 MB 64 MB 128 MB 256 MB 512 MB P-I & II P-II & III P-III & IV (RAM) (SIMM / DIMM) (SDR / DDR)

37. SIMM (Signal inline memory module)

38. DIMM (Dual inline memory module)

39. SDR (Signal Data Rite)

40. DDR (Dual Data Rite)

42. PROM (Programming Read only memory)

43. EPROM (Electrical Programmable Read only memory)

44. EEPROM (Electrical Erasable Programmable Read only memory)

45. Floppy Disk Date 1969 (8-Inch) Invented: 1976 (5¼-inch), 1984 (3½-inch) IBM team led by FDD (Floppy Disk drive) Double Side 1.44 MB Single Side 720 KB

47. Hard disk Date September 13 Invented 1956 IBM Non volatile memory Size 20 Megabyte HDD (Hard Disk Drive)

49. Magnetic tape 1980’s- 90’s

50. Optical disk DVD-ROM (Digital Virtualtile Disk CD-ROM (Compact Disk Read only memory)

51. DVD-ROM Optical disc Media type 4.7 GB (Single-Sided single-layer) 8.54 GB (Single sided double-layer) Capacity 650 nm laser, 10.5 Mbit/s (1×)Mbit/s Read mechanism 10.5 Mbit/s (1×)Mbit/s Write mechanism Data storage, video, audio, games Usage 1993 Invented