Q8

MCQ1 mark, −0.33

Let $\text{R1}$ and $\text{R2}$ be two $4 – \text{bit}$ registers that store numbers in $2\text{’s}$ complement form. For the operation $\text{R1 + R2},$ which one of the following values of $\text{R1}$ and $\text{R2}$ gives an arithmetic overflow?

(A)

$\text{R1 = 1011}$ and $\text{R2 = 1110}$

(B)

$\text{R1 = 1100}$ and $\text{R2 = 1010}$

(C)

$\text{R1 = 0011}$ and $\text{R2 = 0100}$

(D)

$\text{R1 = 1001}$ and $\text{R2 = 1111}$

Loading…