Which logic gate is represented by the follow | vedclass

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(A) The given circuit consists of two $NAND$ gates. The first $NAND$ gate has inputs $A$ and $B$,producing an output $X = \overline{A \cdot B}$. This

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$AND$ gate

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(A) The given circuit consists of two $NAND$ gates. The first $NAND$ gate has inputs $A$ and $B$,producing an output $X = \overline{A \cdot B}$. This output $X$ is fed into the second $NAND$ gate,which has both its inputs shorted together. $A$ $NAND$ gate with shorted inputs acts as a $NOT$ gate. Therefore,the final output $Y = \overline{X \cdot X} = \overline{X} = \overline{(\overline{A \cdot B})} = A \cdot B$. This is the Boolean expression for an $AND$ gate. Thus,the combination represents an $AND$ gate.

Which logic gate is represented by the following symbol?

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