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INPUT AND OUTPUT DEVICES (TYPES OF INPUT DEVICES (POINTING DEVICES…

- - - - An input devices that contains keys users press to enter data & instructions
  - - - Input devices that allows a user to control a pointer on the screen
    - - MOUSE
        
        Fits under the palm of your hand comfortably
        
        Most widely used on desktop computer
      - TRACBALL
        
        With a ball on its top or side
      - TOUCHPAD
        
        A small,flat,rectangular pointing devices that is sensitive to pressure & motion
      - POINTING STICK
        
        A pressure sensitive pointing devices shaped like a pencil eraser that is positioned between keys on the keybroad
  - - - Using a stylus or digital pen to wrote,draw,or make selections on a flat surface on a monitor or mobile device
      - Input devices that directs movements & actions of on screen objects
    - - Game controllers
      - Light guns
      - Dance pad
      - Joysticks&wheels
  - - - Allows user to take digital pictures & store the photographed images digitally
  - - - The process of entering input by speaking into a microphone
  - - - Process of capturing full-motion images & storing them on a computer"s storage medium
  - - - Capture data from source document,which is the original from data
    - - OPTICAL SCANNER
        
        FUNCTIONS
        
        Read printed text and graphics then translate into form computer can process
  - - - Optical character recoginition (OCR)
        
        FUNCTIONS
        
        Technology that involve reading character from ordinary documents
      - Optical mark recognition (OMR)
        
        FUNCTIONS
        
        Read hand-drawn marks such as small circles or rectangles
      - BAR CODE
        
        FUNCTIONS
        
        To read bar code using light patterns that pass throw bar code line
      - Magnetic ink character recognition
        
        FUNCTION
        
        Read text printed with magnetized ink
      - Magnetic stripe card
        
        FUNCTION
        
        Read magnetic strips on the back of credit card and other similar card
  - - - Translate a personal character into digital code that is compared with digital code store in computer
    - - Fingerprint reader
      - Face recognition system
      - Hand geometry system
      - Voice verification system