The three functional units of a modern computer are?

A. input, processor and output units
B. processor, FOTRAN and output units
C. black box, output and input units
D. basic, COBOL and output units

Correct Answer:

Option A – input, processor and output units

Explanation

A computer system consists of mainly four basic units; namely input unit, storage unit, central processing unit and output unit. Central Processing unit further includes Arithmetic logic unit and control unit.
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