Which logic gate is represented by the follow | vedclass

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(C) The given circuit consists of two $NOT$ gates connected to the inputs $A$ and $B$,followed by a $NOR$ gate.The outputs of the $NOT$ gates are $\ba

Vedclass · Accepted Answer

$AND$

Vedclass · Answer

(C) The given circuit consists of two $NOT$ gates connected to the inputs $A$ and $B$,followed by a $NOR$ gate.The outputs of the $NOT$ gates are $\bar{A}$ and $\bar{B}$.These are fed as inputs to the $NOR$ gate.The output $Y$ of the $NOR$ gate is given by:$Y = \overline{\bar{A} + \bar{B}}$According to De Morgan's theorem,$\overline{\bar{A} + \bar{B}} = \bar{\bar{A}} \cdot \bar{\bar{B}} = A \cdot B$.Thus,$Y = A \cdot B$,which is the Boolean expression for an $AND$ gate.

Which logic gate is represented by the following combination of logic gates?

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