Keyboard

  • Most popular in put device
  • It is a manual input device consisting of several different layouts of keys
  • Most common layout is the QWERTY keyboard. 

Applications:

  • comes with all stand alone PC's
  • Applications that involve a lot of typing such as word processing documents 
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Keyboard

Advantages

  • easy to enter information
  • fast to enter data if user is an expert typist
  • keys can be programmed for special functions

Disadvantages

  • slow if user isn't an expert typist
  • movement on the screen is only up or down
  • mistakes can be easily made

Evaluation

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