NEET | 2017Logic gateHard

Question

The given electrical network is equivalent to :

Options

A.

OR gate

B.

NOR gate

C.

NOT gate

D.

AND gate

Solution

y₁ = $\bar{A + B}$
y₂ = $\bar{y_{1} + y_{2}} = \bar{y_{1}} = \bar{\bar{A + B}} = A + B$
y = $\bar{y_{2}} = \bar{A + B}$
$N O R G A T E$

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