The logic gate that will have a LOW output when any one of its inputs is HIGH is

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The logic gate that will have a LOW output when any one of its inputs is HIGH is the:
Options
A. NAND gate
B. AND gate
C. NOR gate
D. OR gate

Correct Answer

NOR gate

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3. If the output of a three-input AND gate must be a logic LOW, what must the condition of the inputs be?
Options
A. All inputs must be LOW.
B. All inputs must be HIGH.
C. At least one input must be LOW.
D. At least one input must be HIGH.

5. The term "hex inverter" refers to:
Options
A. an inverter that has six inputs
B. six inverters in a single package
C. a six-input symbolic logic device
D. an inverter that has a history of failure

6. 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

8. 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

10. 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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