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Subject: computers & laptop


Author:
Abdul Aziz
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Date Posted: 06:58:08 01/12/10 Tue
 A programmable machine. The two principal characteristics of a computer are:
It responds to a specific set of instructions in a well-defined manner.
It can execute a prerecorded list of instructions (a program).

Modern computers are electronic and digital. The actual machinery -- wires, transistors, and circuits -- is called hardware; the instructions and data are called software
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