Logic gates interview questions

1.
The output will be a LOW for any case when one or more inputs are zero in a(n):
A. OR gate
B. NOT gate
C. AND gate
D. NAND gate
Answer: Option C

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2.
If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):
A. AND
B. NAND
C. NOR
D. OR
Answer: Option B

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3.
A single transistor can be used to build which of the following digital logic gates?
A. AND gates
B. OR gates
C. NOT gates
D. NAND gates
Answer: Option C

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4.
The logic gate that will have HIGH or “1” at its output when any one of its inputs is HIGH is a(n):
A. OR gate
B. AND gate
C. NOR gate
D. NOT gate
Answer: Option A

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5.
How many NAND circuits are contained in a 7400 NAND IC?
A. 1
B. 2
C. 4
D. 8
Answer: Option C

Explanation:

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