In the Boolean algebra,the expression $\left( {\overline {\bar A \cdot \bar B} } \right) \cdot A$ is equal to:

  • A
    $\overline {A + B}$
  • B
    $A$
  • C
    $\overline {A \cdot B}$
  • D
    $A + B$

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Similar Questions

In the truth table of the given circuit,the values of $X$ and $Y$ are:

The symbolic representations of four logic gates are shown below. Identify which ones correspond to $AND$,$NAND$,and $NOT$ gates,respectively.

Which of the following represents the $NAND$ gate?

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$

How many $NAND$ gates are required to construct an $AND$ gate?

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