Question

The function of a half -adder may be represented as shown in Figure.

A full-adder may be constructed from two half-adders together with a single logic gate as shown in figure.

Which logic gate must be used?
A. `AND`
B. `EX-NOR`
C. `HAND`
D. `OR`

Answer 1

Correct Answer - D
When three bits is to be added, a full-adder may be constructed form two half-adders together with a single logic gate of `OR`.