Computer is an electronic device which is used to process our data for meaningful information. A computer can not only store or process our data but also retrieve and store our data for future use.
Thus computer is in general terms referred to an electronic data of processing machine which is used for wide area of activities.
A computer can understand only binary numbers, i.e, 0 or 1 in binary system.
The word computer came from word compute, means to calculate. The computer was invented by Charles Babbage in 17th century.
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