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When we perform subtraction on -7 and -5 the answer in 2’s complement form is ________

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When we perform subtraction on -7 and -5 the answer in 2’s complement form is ________

(a) 11110

(b) 1110

(c) 1010

(d) 0010

The question was posed to me in an online interview.

This interesting question is from Numbers and Arithmetic Operations in section Machine Instructions and Programs of Computer Architecture

1 Answer

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Best answer
Correct option is (b) 1110

Easy explanation: First the 2’s complement is found and that is added to the number and the overflow is ignored.

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