Question

The output waveform of the given logical circuit for the following inputs $A$ and $B$ as shown below, is :

• A.
• B.
• C.
• D.

Answer 1

Answer: (C)

$(\overline{A\cdot A})=\overline{A}$
$\overline{B\cdot B}=\overline{B}$
$(\overline{\overline{A}\cdot \overline{B}})=A+B$
OR Gate