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The 2’s complement of 15 is ____________(a) 0000(b) 0001(c) 0010(d) 0100The question was posed to me in exam.I want to ask this question from The Decimal Number System in portion Number Systems of Computer Fundamentals

Answer» RIGHT choice is (B) 0001

The best I can explain: 2’s COMPLEMENT is obtained by adding 1 to the 1’s complement of the number.

Here, Binary of 15 = 1111

1’s complement of 15= 0000

2’s complement of 15= 0000+1=0001.


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