Question

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

OR

NOR

AND

NAND

Solution

AND

Output of gate-1, Y₁ =A

Output of gate-2, Y₂ = B

Output of gate-3,

$Y = \bar{(Y_{1} + Y_{2})}$

= $\bar{\bar{A} \bar{B}}$

= $\bar{\bar{A}} \bar{\bar{B}}$

Y = AB

which is the output of AND gate.

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Which logic gate is represented by the following combination of logic gates? OR NOR AND NAND

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