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Which method of representation has two representations for ‘0’?

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Which method of representation has two representations for ‘0’?

(a) Sign-magnitude

(b) 1’s complement

(c) 2’s complement

(d) None of the mentioned

This question was addressed to me during an interview.

I'm obligated to ask this question of Numbers and Arithmetic Operations in portion Machine Instructions and Programs of Computer Architecture

1 Answer

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The correct option is (a) Sign-magnitude

The explanation: One is positive and one for negative.

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