2. Topic - A Typical Computer System Form 4 Computer Studies Input Devices

3. EDD5161R Group8 members : Kwok Ming Ying Anita (98031479) Koo Chi Kit (98032890) Wong Yuk Wa (98032710) Law Ngai Tat Andrew (98032220) Collect text used in presentation Integrate all materials to Powerpoint slides Collect all images used in presentation Add sound, animation and special effects

4. Target Audience : Class - Form 4 science students Age/Grade - 15/Band 1 Prior knowledge: Basic knowledge & experience in using mouse and keyboard Other Materials : Some concrete objects of input devices for demonstration Purpose : Lecturing

5. Input Device - a piece of hardware that is used for providing information to the computer Examples are...

7. Mouse  common pointing device used with a computer  flat bottom with one or more buttons on the top and a multidirectional detection device (usually a ball) on the bottom  controls by moving and clicking the mouse

8. Different Type of Mice Cordless wheel mouse3-button mouse Wheel mouse for notebooks iMouse for iMac

9. Mouse Interface Serial PS2 USB

10. Trackball  basically an inverted mouse  the user rotates the ball itself while clicking nearby buttons

11. Joystick and Gamepad  a popular pointing device, used mostly for playing computer games

12. Keyboard  a keypad device with buttons or keys that a user presses to enter data characters and commands into a computer Function key Numeric keypad

13. Different Type of Keyboard 104-key keyboard Natural keyboard Keyboard for the Mac

14. ViewCam  capture video signal and put it directly into PC for editing  can be used for video-conferencing

15. 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

16. Pen Input  allow users to input Chinese without using the tradition Chinese input method Smart pen

17. Light Pen  allow users to point at the graphics on the display to select functions or to locate desired positions

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

19. Microphone  transmit wave signal to computer

20. 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

21. OMR reader  the Opitical Mark Recognition technique can read pencil marks registered in specified position on a form

22. MICR reader  use Magnetic Ink Character Recognition technique  magnetizing the magnetic ink characters on documents and sensing the signal induce by each character as it passes a reading head  it can only read standard MICR characters  can process 2000 cheques per minute

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

24. Scanner Image Scan Edit

25. 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

26. Quiz

27. 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

28. 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

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

30. 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

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

32. The End