I/O Devices

I/O Devices

1. Input

   • An input device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. Examples of input devices include keyboards, mouse, scanners, digital cameras and joysticks.
     • Can be adapted for disabled users, puff suck switch, eye typer etc

2. Output

   • An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.
     • Braille Embosser (D)
     • VDU's
     • Speakers
   • Supplementary software
     • Text to speech etc

3. Hybrid Devices

   • A mixture of input and output devices combined into one piece of hardware
     • Touch screens(VDU and mouse/keyboard input)
     • Controllers (Mouse or movement/haptic or tactile feedback)