Which of the following is correct for full- adders?
A) Full- adders are limited to two inputs, since there are only two binary digits.
B) Full- adders have the capability of directly adding decimal numbers.
C) Full- adders are used to make half- adders.
D) The first stage of a parallel full- adder may be a half- adder.

Question

Quizplus · Accepted Answer

The first stage of a parallel full-adder circuit can indeed be a half-adder. This is because the first stage only needs to add two bits (A and B) and does not need to account for a carry input from a previous stage, which is a scenario where a half-adder is sufficient.

Which of the Following Is Correct for Full- Adders