The binary number 111 in its 2’s complement form is____________(a) 010(b) 001(c) 000(d) 111This question was addressed to me in a job interview.Question is from Sign Magnitude topic in chapter Computer Arithmetic of Computer Fundamentals

The binary number 111 in its 2’s complement form is____________(a) 0

1.	The binary number 111 in its 2’s complement form is____________(a) 010(b) 001(c) 000(d) 111This question was addressed to me in a job interview.Question is from Sign Magnitude topic in chapter Computer Arithmetic of Computer Fundamentals
Answer» RIGHT ANSWER is (b) 001 To explain I would say: 2’s complement is OBTAINED by adding 1 to the 1’s complement. 1’s complement of 111: 000 and 2’s complement:001.

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