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Questions  

A digital  system  comprises  a  AND gate with a NOT gate on each of its inputs as shown in figure. To which  of the  following  single  gates  is this system equivalent?

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a
AND
b
OR
c
NOR
d
NAND

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detailed solution

Correct option is B

Truth table for this digital system of logic gates is as stated belowIt is obvious from the truth table that this system is equivalent to a single OR gate.

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