By Sophie Baxter, Amyar Razi, Jamal Mouhoun, Saavin Abeygunawardena and Shahrukh Yousef

 An Input Device is any peripheral computer hardware used to provide data and control signals to an information processing system, i.e. a Computer.  Many input devices can be classified according to:  modality of input (e.g. mechanical motion, audio, visual, etc.)  the input is discrete (e.g. key presses) or continuous (e.g. a mouse's position, though digitized into a discrete quantity, is fast enough to be considered continuous)  the number of degrees of freedom involved (e.g. two- dimensional traditional mice, or three-dimensional navigators designed for CAD applications) Source:

 Keyboards  Mice  Webcams  Microphones  Digital Pens and Tablets  Joysticks  Wii Remote  Games Console Controllers (eg Xbox 360, PS3 etc)  Touch Screens  Scanner  Digital Camera Source: sir.com/cit/information_processing/input_devices.htmhttp:// sir.com/cit/information_processing/input_devices.htm

 There are many examples of Input Devices that can benefit Disabled people such as Braille keyboards for blind people.  Specialist mice and keyboards that require no strength to use are for people who have limited or no use with their hands.  Speech Recognition Software can also help people with the above problems and is also useful for everyday life for non- disabled people as it makes life simpler and can prevent RSIs, or Repetitive Strain Injuries, which can occur from using a Computer too much.  There is also Screen Magnification software, again for visually impaired people and Communication and Translation software for deaf people. Source:

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