The basic types of programmable arrays are made up of ________. AND gates OR gat

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Question
The basic types of programmable arrays are made up of ________.
Options
A. AND gates
B. OR gates
C. NAND and NOR gates
D. AND gates and OR gates

Correct Answer

AND gates and OR gates

Logic Gates problems

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1. 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

5. 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.

6. 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

8. 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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