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2014-09-01T10:19:16+05:30

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People need a number system  to be able to count items that are exchanged in trade agreements - sales. One needs to represent the quantity of items traded and cash involved. This is how number system developed. We use the decadic number system (decimal number system).

Computer uses a binary number system, and hexadecimal number system. Engineers use these systems to document programs, data stored on the computer storage systems.
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