engineering recuitment ISRO Scientist Electronics Mock Test Digital Logic Number Representations and Computer Arithmetic Number Representation
Let R1 and R2 be two 4-bit registers that store numbers in 2’s complement form. For the operation R1 + R2, which one of the following values of R1 and R2 gives an arithmetic overflow?
1
R1 = 1011 and R2 = 1110
2
R1 = 1100 and R2 = 1010
3
R1 = 0011 and R2 = 0100
4
R1 = 1001 and R2 = 1111