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Computer Fundamentals by Anita Goel

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4

INPUT AND OUTPUT DEVICES

Contents

  • Input-output unit—Input unit, output unit
  • Input devices—Human data entry devices, source data entry devices
  • Human data entry devices
    • Keyboard
    • Pointing devices—Mouse, trackball, joystick, digitizing tablet
    • Pick devices—Light pen, touch screen
  • Source data entry devices
    • Audio input device (microphone, sound card, speech recognition)
    • Video input device (video camera, digital camera)
    • Optical input devices—Scanner (hand held, flat bed), OCR, MICR, OMR, barcode reader
  • Output devices—Hard copy devices, soft copy devices
  • Hard copy devices
    • Printer—Impact printers (dot matrix, daisy wheel, drum), non-impact printers (ink-jet, laser)
    • Plotter—Drum plotter, flatbed plotter
    • Computer output on microfilm (microfiche) ...

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