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If m is the 2's complement and n is the binary number, then  ______________

(a) m=n'

(b) m=n'+1

(c) m=n'-1

(d) m=n

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Right option is (b) m=n’+1

Easiest explanation: 2’s complement is simply obtained by addition of 1. So if n is the number and we take the 2’s complement, add 1 to it, we get the 2’s complement. Therefore, m=n’+1.

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