Software and Hardware

Software and Hardware

1. Inputs and Outputs

   • Input Devices
     • Keyboard
       • Easy to use
       • Can be wireless
       • Overuse can lead to RSI
       • Visually impaired cant use them
       • There are special keyboards designed to prevent RSI
       • Keyboards work in Binary patterns
     • MOuse
       • Easy to use
       • Visually Impaired cant use them easily
       • Can lead to RSI
       • Mice are very common input devices
     • Touch screens
       • Easy to use, intuitive
       • Don't need mice etc.
       • Software such as keyboards can change to suit the program
       • Not robust
       • May not be acccurate
       • Hard to input lots of information
       • Are input and output device
     • Joysticks
       • Not very robust
       • Difficult to use for very different to the movement of a mouse
       • Give realistic gaming experience
       • Are used to control wheelchairs
   • Output Devices
     • (Touch screens)
     • Display
       • Displays mean you can see what your computer is doing and interact with it
       • Without a display you would not know what your computer is doing and could not interact with it easily
     • Printers
       • Printers produce physical copies of electronic documents
       • Recently 3D printers have been developed which has opened up a lot more possibilities.

2. "Blue/Green = Advantages Pinkl=Disadvantages Purple = other facts"