Q.

The circuit diagram shown here corresponds to the logic gate,

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a

NAND

b

NOR

c

AND

d

OR

answer is B.

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Detailed Solution

Case-1 : A = 0, B = 0LED will glow∴ Y=11Case-2 : A = 0, B = 1No current will through LED∴ Y=0Case-3 : A = 1, B = 0Again no current will through LED∴ Y=0Case-4 : A = 1, B = 1Again Y = 0NOR gate
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