1. I.C.T.

2. The Computer System

3. Computer System …Procedures and protocols

4. Computer System …uses Data and Information

5. Computer System …follows Data Processing System

6. Data Processing System INPUT PROCESS OUTPUT STORE

7. …components of CS  Hardware  Software  Peopleware /Users  Data

8. Hardware

9. …tangible component

10. Hardware …electronic devices

11. Hardware

12. ..classification InputProcessor OutputMemory Input/OutputSecondary Storage

13. Input ….accepts data

14. Input  Keyboard  Pointing Device  Optical Input Device  Alternative Input Devices

15. Keyboard

17. Pointing Device

18. Mouse

19. Mechanical Mouse

20. Mouse Mechanical Mouse

21. Mouse Optical Mouse

22. Mouse Wireless Mouse

23. Mouse Wireless Mouse

24. Trackball

25. …stationary Trackball

26. Touch Pad

27. Moving Area

28. Touch Pad..tap

29. Touch Pad Left Click

30. Touch Pad Right Click

31. Track Point

32. Light Pen

33. …Graphic Pen

34. Light Pen …Stylus

35. Optical Input Device …uses lens and light

36. Scanner …bounce back light

37. Barcode Reader

38. …Handheld

39. Barcode Reader …Flatbed

40. Barcode Reader …groceries

41. Alternative Input Devices

42. Microphone …analog to digital sound

43. Controllers Game Pad

44. Controllers Joy Stick

45. Controllers …used for simulations

46. Keypads

48. Biometric Technology Alternative way to identify the identity of an input sample

49. Biometric Technology …alternative way to identify the identity of an input sample

50. Output ….produces information

51. Output  Monitor  Printer  Alternative Output Devices