The logic operation performed by the followin | vedclass

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Question

(B) The given circuit consists of a $NAND$ gate followed by a $NOR$ gate where both inputs of the $NOR$ gate are connected to the output of the $NAND$

Vedclass · Accepted Answer

$AND$

Vedclass · Answer

(B) The given circuit consists of a $NAND$ gate followed by a $NOR$ gate where both inputs of the $NOR$ gate are connected to the output of the $NAND$ gate.Let the inputs be $A$ and $B$. The output of the $NAND$ gate is $Y_1 = \overline{A \cdot B}$.This $Y_1$ is fed as both inputs to the $NOR$ gate. The output of a $NOR$ gate with inputs $X$ and $X$ is $Y = \overline{X + X} = \overline{X}$.Substituting $X = Y_1 = \overline{A \cdot B}$, we get $Y = \overline{\overline{A \cdot B}} = A \cdot B$.The expression $Y = A \cdot B$ corresponds to the logic operation of an $AND$ gate.

$A$	$B$	$Y$
$0$	$0$	$1$
$0$	$1$	$1$
$1$	$0$	$1$
$1$	$1$	$0$

$A$	$B$	$Y$
$0$	$0$	$0$
$0$	$1$	$1$
$1$	$0$	$1$
$1$	$1$	$1$

The logic operation performed by the following circuit is

Similar Questions

Write the truth table for the circuit shown in the figure. Name the gate that the circuit resembles.

Which of the following logic gates has an output of $1$?

The given truth table is for:
$A$ $B$ $Y$
$0$ $0$ $1$
$0$ $1$ $1$
$1$ $0$ $1$
$1$ $1$ $0$

The following figure shows a logic gate circuit with two inputs $A$ and $B$ and the output $Y$. The voltage waveforms of $A$,$B$,and $Y$ are as given. The logic gate is:

Which logic gate is represented by the following truth table?
$A$ $B$ $Y$
$0$ $0$ $0$
$0$ $1$ $1$
$1$ $0$ $1$
$1$ $1$ $1$

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