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

- - - - An input device that contains keys users press to enter data and instructions into a computer
    - - Input device that allows a user to control a pointer on the screen
      - Examples
        
        Trackball
        
        A stationary pointing device with a ball on its top or side
        
        Mouse
        
        A pointing device that fits under the palm of your hand comfortably
        
        Most widely used pointing device on desktop computers
        
        Touchpad
        
        A small, flat, rectangular pointing device that is sensitive to pressure and motion
        
        Pointing stick
        
        A pressure sensitive pointing device shaped like a pencil eraser that is positioned between keys on keyboard
    - - Input device that directs movements and actions of on screen objects
      - Examples
        
        Gamepads
        
        Joystick and wheels
        
        Light guns
        
        Dance pads
        
        Motion-sensing game controllers
    - - Mobile device that allows users to take pictures and store the photographed images digitally
    - - The process of entering input by speaking into a microphone
    - - The process of entering any sound into the computer such as speech, music and sound effect
      - Examples
        
        Electronic drum
        
        Electronic keyboard
    - - Process of capturing full-motion images and storing them on a computer's storage medium
      - Examples
        
        Web cam
        
        Hand cam
    - - Capture data from a source document, which is the original form of data
      - Examples
        
        Optical scanner
        
        Reads printed text and graphics and then translates the results into a form the computer can process
        
        Optical readers
        
        To read characters, marks and codes by using a device that use a light source and then converts them into digital data that a computer can process
        
        Examples
        
        Optical character recognition (OCR)
        
        Technology that involves reading characters from ordinary documents
        
        Optical mark recognition (OMR)
        
        Read hand-drawn marks such as small cirlces or rectangles
        
        Bar code scanner
        
        To read bar codes by using light patterns that pass through the bar code lines
        
        Radio frequency identification (RFID)
        
        A technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal or a person
        
        Magnetic stripe card reader
        
        Reads the magnetic stripe on the back of credit cards, entertainment card, bank cards and another similar cards
        
        Magnetic-ink character recognition (MICR)
        
        Read text printed with magnetized ink
    - - Translates a personal characteristic (the input) into a digital code that is conpared with a digital code stored in the computer
      - Examples
        
        Fingerprint reader
        
        Face recognition system
        
        Hand geometry system
        
        Voice verification system
        
        Iris recognition system
- - - - An output device that visually conveys text, graphics and video information on a display device, sometimes called soft copy
      - Examples
        
        LED screen
        
        LCD monitor
        
        Plasma monitor
        
        CRT monitor
    - - A component of a computer that produces music, speech or other sounds
      - Examples
        
        Speakers
        
        Headphones
        
        Earbuds
    - - An output device that produces text and graphics on a physical medium such as paper. Printed information is called hard copy.
      - Examples
        
        Ink-jet printer
        
        Laser printer
        
        Photo printer
        
        Thermal printer
    - - A device that takes the text and images displaying on a computer screen and projects them on a larger screen so that an audience can see the image clearly
- - - - A touch-sensitive device, resembling a dry-erase board that displays the image in a connected computer screen.