Monday 10 December 2012

Input and output devices

Input is any data or instructions entered into the memory of the computer. An input device is any hardware component that allows a user to enter data and instructions into a computer. 

Keyboard
A keyboard is an input device, that allows a user to enter data and instructions into the computer. Many desktop computer keyboards have a numeric keypad located on the right side of the keyboard. A standard computer keyboard is sometimes called a qwerty keyboard because of its layout.

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