output device of computer.
The data & instructions entered by the input unit is processed by CPU after processing, result must be supplied to the user this task is done by output unit. Thus job of the output unit is reverse to that of input unit. It gives result to the outside world & it also links the computer with external environment. Some example of output devices are visual display unit (VDU) , printer , Graph plotters , card punch , paper tape punch etc.
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