GATE | GATE CS 2013 | Question 4

The smallest integer that can be represented by an 8-bit number in 2’s complement form is
(A) -256
(B) -128
(C) -127
(D) 0


Answer: (B)

Explanation: See Two’s complement

For n bit 2’s complement numbers, range of number is -(2^(n-1)) to +(2^(n-1)-1)

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