GATE | GATE-CS-2000 | Question 49

The number 43 in 2’s complement representation is

(A) 01010101
(B) 11010101
(C) 00101011
(D) 10101011

Answer: (C)

Explanation: In2’s complement representation, positive numbers are represented as their representation and negative numbers are represented by first doing 1’s complement, then adding 1 to the result.

So 43 is represented as 00101011.

Note that option represents -43.

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