Any of a class of devices capable of solving problems by processing information in discrete form is known as Digital Computer . It operates on data, including magnitudes, letters, and symbols, that are expressed in binary form—i.e., using only the two digits 0 and 1.
Functional elements of a Digiatl computer:
A typical digital computer system has four basic functional elements:
(1) input-output equipment
(2) main memory
(3) control unit
(4) arithmetic-logic unit
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