Question

The output Y of the combination of gates shown is equal to:

• A. A
• B. $\overline{A}$
• C. A+B
• D. AB

Answer 1

The correct option is A A

Here,

$Y=A.(A+B)$

$Y=A.A+A.B$

$Y=A+A.B$

$Y=A.(1+B)$

$Y=A.1$

$Y=A$

Option $\text{A}$ is the correct answer