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Introduction To Information Technology


What is a Computer?

A computer is an electronic device, operating under the control of instructions (software) stored in its own memory unit, that can accept data (input), manipulate data (process), and produce information (output) from the processing.

The computer has become an integral part of our lives.

Generally, the term is used to describe a collection of devices that function together as a system.

What Does A Computer Do?


Computers can perform four general operations, which comprise the information processing cycle.
  •     Input
  •      Process
  •     OutputStorage

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