If a 3-input NOR gate has eight input possibilities, how many of those possibili

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Question
If a 3-input NOR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
Options
A. 1
B. 2
C. 7
D. 8

Correct Answer

1

Logic Gates problems

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1. The format used to present the logic output for the various combinations of logic inputs to a gate is called a(n):
Options
A. Boolean constant
B. Boolean variable
C. truth table
D. input logic function

3. A logic probe is again applied to the pins of a 7421 IC with the following results. Is there a problem with the circuit and if so, what is the problem?
Options
A. Pin 6 should be ON.
B. Pin 8 should be ON.
C. Pin 8 should be pulsing.
D. no problem

6. How many inputs of a four-input AND gate must be HIGH in order for the output of the logic gate to go HIGH?
Options
A. any one of the inputs
B. any two of the inputs
C. any three of the inputs
D. all four inputs

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