A computer is a device, which under the control of a stored program, can accept data in a prescribed form, process the data ND supply the results as information.   There are three points to note about this definition. Computer is a device: it consists of electronic parts working together to process data. A computer perform three marjor function which are, it accept data(input),it processes data,it suppliy data or information (output).  We also have two major software which are system software AND application software.
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