Answer & explanation
Correct answer: option 1
$ \text{Output is given as } NOT(\bar A . \bar B) = \bar{\bar A} +\bar{\bar B} = A + B$
$\text{This output correspond to OR Gate}$
Correct answer: option 1
$ \text{Output is given as } NOT(\bar A . \bar B) = \bar{\bar A} +\bar{\bar B} = A + B$
$\text{This output correspond to OR Gate}$