Digital Electronics Logic Gates Questions and Answers
Practice ModeShowing 10 of 78 questions
Q1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ________.
Answer: Option C
Q2
If a 3-input NOR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
Answer: Option A
Q3
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):
Answer: Option B
Q4
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
Answer: Option C
Q5
The output of an OR gate with three inputs, A, B, and C, is LOW when ________.
Answer: Option A
Q6
Which of the following logical operations is represented by the + sign in Boolean algebra?
Answer: Option C
Q7
Output will be a LOW for any case when one or more inputs are zero for a(n):
Answer: Option C
Q8
How many pins does the 4049 IC have?
Answer: Option B
Q9
Which of the following choices meets the minimum requirement needed to create specialized waveforms that are used in digital control and sequencing circuits?
Answer: Option A
Q10
TTL operates from a ________.
Answer: Option D