Devices (input and output)

Devices (input and output)

1. data types that can be put into the computer

   • text
   • still and moving images
   • numbers
   • sound

2. Input Devices

   • Manual input sevices
     • keybroad
       • concept keyboards
     • mouse
     • touch devices
       • touch screens
       • track pads
       • track points
     • graphics tablet
       • stylus
     • speech recognition
   • Automated input
     • card readers
     • radio frequency
     • scanners
     • optical mark recognition (OMR)
     • Optical character recognition (OCR)
     • bar-code readers
     • Magnetic ink character recognition (MICR)
     • Sound Input
     • video input
     • Web cams
     • digital cameras

3. output devices

   • Visual ouptput
     • screens and monitors
       • CRT monitor
       • TFT monitor
       • large displays
         • digital projectors
         • interactive whiiteboards
         • plasma screens
       • small displays
         • mobile phone screens
   • printers
     • laser printer
     • inkjet printers
     • multi-function
       • Dot-matrix printers
     • plotters
     • professional printers
     • photo printers
   • speakers
   • special purpose output devices
     • outputs for people with disabilities

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