Input Devices
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Input Devices

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Input Devices Presentation Transcript

  • 1. Input Devices
  • 2. Can only enter data at typing speed
    Keyboards
    • Easier to draw with than a mouse
    • 3. Difficult to type with this
    Graphics Tablet
    • Difficult to type with this
    • 4. Good for choosing from a menu
    Touch Screen
  • 5. Add a slide for each of the following Input Devices
    For each one add one or more pictures
    For each say where and when they are used
    Barcode reader
    MICR
    OMR
    OCR
    Magnetic Stripe
    Joystick
    Concept keyboard
    Chip reader
    Tracker ball
    Scanner
    Touch Pad
    PIN Pad
    Light Pen
    Web cam
  • 6. Barcode reader
    A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating optical impulses into electrical ones.
    Where : Supermarket, library, etc..
    When : Scanning Products
  • 7. MICR
    Stand for Magnetic Ink Character Recognition
    MICR is the technology which allows the characters printed on the bottom of the check to be read by reader-sorter machines. 
    Where : Bank
    When : check number, bank routing number, checking account number and in some cases the amount of the check. 
  • 8. OMR
    Stand for Optical Mark Recognition
    OMR is the process of capturing human-marked data from document forms such as surveys and tests.
    Where : School, University
    When : marking exam
  • 9. OCR
    Stand for Optical character recognition
    OCR is the mechanical or electronic translation of images of handwritten, typewritten or printed text (usually captured by a scanner) into machine-editable text.
    Where : Office
    When : edit picture, edit writing
  • 10. Magnetic Stripe
    • Magnetic Stripe is a black stripe, printed on the back of a credit card or similar, that stores a machine-readable copy of the information on the card.
    • 11. Where : Bank
    • 12. When : Use credit card
  • Joystick
    A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.
    Where : Home
    When : Play game
  • 13. Concept keyboard
    A concept keyboard is a flat board that contains a grid of buttons. Each button can be programmed to do whatever you want.
    Where : Office, Home
    When : typing a document in computer
  • 14. Chip reader
    Chip reader is a device that reads the information on chips. There are many kinds of chip.
  • 15. Tracker ball
    A tracker ball is an input device where a finger is used to rotate a ball. This moves a pointer on the screen. (It is very like an upside-down mouse)
    Where : Home
    When : used on a GUI.
  • 16. Scanner
    Where : Office, Home
    When : copy a picture, get the picture of an objects
  • 17. Touch Pad
    A touchpad is a pointing device consisting of specialized surface that can translate the motion and position of a user's fingers to a relative position on screen.
    Where : Everywhere
    When : use telephone or computer that have touch pad
  • 18. PIN Pad
    A PIN pad is an electronic device used in a debit or smart card-based transaction to input and encrypt the cardholder's PIN.
    Where : restaurant, shop
    When : pay money
  • 19. Light Pen
    Light Pen is a small, photosensitive device connected to a computer and moved by hand over an output display in order to manipulate information in the computer.
    Where : Home, Office
    When : Use computer
  • 20. Webcam
    A webcam is a video capture device connected to a computer or computer network, often using a USB port or, if connected to a network, internet or Wi-Fi.
    Where : Home
    When : Chat in msn