In the circuit below, $A$ and $B$ represent two inputs and $C$ represents the output.
The circuit represents

Question

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Answer 1

Given, $A$ and $B$ are inputs and $C$ is output.
Assume that some voltage is applied across $A B,$
If the voltage is positive, then diode corresponding to $A$ will be on and the other diode will be off
$\Rightarrow C = A$
If the voltage is negative then diode corresponding to $B$ will be on and the other diode will be off
$\Rightarrow C = B$
Therefore we can say that $C = A o r B$
Therefore it acts like $O R$ gate.
So the correct option is $D .$

Answer 2

Given,

A

and

B

are inputs and

C

is output.

Assume that some voltage is applied across

A B,

If the voltage is positive, then diode corresponding to

A

will be on and the other diode will be off

\Rightarrow C = A

If the voltage is negative then diode corresponding to

B

will be on and the other diode will be off

\Rightarrow C = B

Therefore we can say that

C = A o r B

Therefore it acts like

O R

gate.

So the correct option is

D .