2. C.S.3 Input and Output Devices Input Devices

3. A. Keyboard

4. B. Pointing Device Joystick

5. Graphic Tablet

6. Cordless wheel mouse3-button mouse Wheel mouse for notebooks iMouse for iMac Mouse

7. Light Pen A light pen

8. Trackball

9. Touch Screen  To respond when a position of the screen is touched by the fingers of the user A touch screen kit solution

10. C. Scanning Devices Scanner Image Scan Edit

11. To recognize different kinds of input devices mouse, keyboard, bar-code reader Text Image OCR To recognize different kinds of input devices mouse keyboard bar-code reader Edit

12. Bar code Reader

13. Bar code reader  read the bar codes(series of parallel vertical lines used to assign a unique identification code to an item) and the information is then transmitted to computer for processing An example of a bar code

14. Optical Character Reader MC Paper

15. MICR Letter on Cheque

16. Magnetic Ink Character MICR character set - E13B MICR character set - CMC7

17. Magnetic Strip Card Reader

18. Smart Card Reader Two types of smart cards and their readers Two Types of smart cards and their readers

19.  transmit wave signal to computer D. Multimedia Input Devices Microphone

20. ViewCam  To capture video signal and put it directly into PC for editing  Can be used for video-conferencing

21. Digital Camera  After taking pictures, the user can connect the camera directly to a home computer, stored on disks, or sent to friends via electronic mail Digital camera Photo printer for digital camera Memory card for digital camera

22. Quiz

23. 1.What kind of input device should be chosen to manage the stock in the supermarket ? B.Point of Sale Terminal A.Mouse C.OMR Reader D.Monitor B.Point of Sale Terminal

24. 2.Mr. Wong wants to edit a photo using his computer. What input device should he choose ? B.Image Editing Software A.Keyboard C.Image Scanner D.Mouse C.Image Scanner

25. 3.What is the standard input device in a computer system ? B.Keyboard A.Mouse C.Monitor D.Joystick B.Keyboard

26. 4.What kind of input device should be used in Video Conferencing ? B.Point of Sale Terminal A.WebCam C.Digital ViewCam D.None of the above A.WebCam

27. 5.Which of the following is used to recognize characters in cheque ? B.OMR reader A.OCR reader C.MCR reader D.MICR reader

28. Output Devices

29. Visual Display Unit LCD CRT

30. Screen Image Projector

31. Sound Synthesizer

32. Speaker

33. Graphic Plotter Larger size of printout

34. Dot Matrix Printer Dot Matrix Printer character formation

35. Ink Jet Printer

36. Laser Printer Simplified mechanism of laser printer

37. End