Virtual Labs

Representation of Integers and their Arithmetic

1. The final addition sum of the numbers, 0111 & 0110 is ?

a: 1101 b: 1001 c: 1111 d: 1010

2. Which of the following cases leads to the overflow condition in addition using 2’s complement?

a: Addition of two positive numbers, which results in sum ≥ 2^(n-1) b: Addition of two positive numbers, which results in sum < 2^(n–1) c: Addition of two negative numbers, |sum| ≤ 2^(n–1) d: Addition of two negative numbers, |sum| > 2^(n–1)