Computers have become an integral part of our lives. The world today completely depends on computational technology. People in olden days used their fingers and pebbles for computation. The word “digital” is derived from Latin and is interpreted as fingers, and calculus refers to pebbles. Computer originated from the term “compute” meaning calculate. The advent of computers has minimized the tedious calculations and has shrunk the world connecting peoples across the poles of the earth.

Computers are electronic devices that perform calculations and controlling operations that are expressed in logic or numeric terms. Computers are broadly classified into analog, digital and hybrid computers. Analog computers deal ...

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