ISRO | ISRO CS 2017 | Question 72

We consider the addition of two 2’s complement numbers bn-1bn-2…b0 and an-1an-2…a0. A binary adder for adding unsigned binary numbers is used to add the two numbers. The sum is denoted by cn-1cn-2…c0 and the carry-out by cout. Which one of the following options correctly identifies the overflow condition?
GATECS2006Q39
(A) A
(B) B
(C) C
(D) D


Answer: (B)

Explanation: Refer: GATE-CS-2006 | Question 85

Option (B) is correct.

Please note that option (B) 1 which has been corrected here.

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