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Logic Gates - General Questions

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Logic Gates - General Questions

1. 

What input values will cause an AND logic gate to produce a HIGH output?

A. At least one input is HIGH.
B. At least one input is LOW.
C. All inputs are HIGH.
D. All inputs are LOW.

Answer: Option C

Explanation:

No answer description available for this question

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2. 

The basic logic gate whose output is the complement of the input is the:

A. OR gate
B. AND gate
C. INVERTER gate
D. comparator

Answer: Option C

Explanation:

No answer description available for this question.

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3. 

A NAND gate has:

A. LOW inputs and a LOW output
B. HIGH inputs and a HIGH output
C. LOW inputs and a HIGH output
D. None of the these

Answer: Option C

Explanation:

No answer description available for this questio

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4. 

How many truth table entries are necessary for a four-input circuit?

A. 4
B. 8
C. 12
D. 16

Answer: Option D

Explanation:

No answer description available for this question

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5. 

Exclusive-OR (XOR) logic gates can be constructed from what other logic gates?

A. OR gates only
B. AND gates and NOT gates
C. AND gates, OR gates, and NOT gates
D. OR gates and NOT gates

Answer: Option C

Explanation:

No answer description available for this question

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6. 

How many NAND circuits are contained in a 7400 NAND IC?

A. 1
B. 2
C. 4
D. 8

Answer: Option C

Explanation:

No answer description available for this question

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7. 

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

Explanation:

No answer description available for this question

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8. 

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

Explanation:

No answer description available for this question.

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