the term computer is derived from the Latin word "computer" which means to computer ho-were , the term computer has come to mean a special type of calculating device having certain definite features. in a way, a computer is an information processing machine. it is an electronic device capable of solving problems by accepting data, preforming described operation on the data and supplying the results of these operation.
according to international standard organisation (ISO) a computer is " a data processor that can perform substantial computation, including numerous air thematic and logic operation, without intervention by a human operator during the run". it is also defined as "an electronic device which converts information / data into meaningful information."
a simpler definition of a computer is that it is a machine for the input, storage, manipulation and output of data. it should be clearly understood that a modern computer is not simple an electronic calculator. mathematical calculations are only a part of its work. in fact, it is an electronic calculating and data processing machine
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