Operating Conditions of Gates - MCQs with answers

Operating Conditions of Gates - MCQs with answers


Q1. Which boolean expression satisfies the logic statement condition “If A= 1 & B= 0 or if B=1 & A=0 ,then output Y =1” ?

a. Y = AB +BA
b. Y = AB + BA
c. Y = A B + B A
d. Y = AB+BA

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ANSWER: c. Y = A B + B A



Q2. Which gate generates no output when two of its inputs are at the opposite logic level?

a. X-NOR
b. X-OR
c. XOR
d. NOR

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ANSWER: a. X-NOR



Q3. Which gate behaves as an inversion or complementation reminder before the AND operation of inputs ?

a. OR gate
b. NOR gate
c. Bubbled AND gate
d. None of the above

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ANSWER: c. Bubbled AND gate


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