Logic Gates - General Questions Online Exam Quiz
Logic Gates - General Questions GK Quiz. Question and Answers related to Logic Gates - General Questions. MCQ (Multiple Choice Questions with answers about Logic Gates - General Questions
The output of an AND gate with three inputs, A, B, and C, is HIGH when ________.
Options
A : A = 1, B = 1, C = 0
B : A = 0, B = 0, C = 0
C : A = 1, B = 1, C = 1
D : A = 1, B = 0, C = 1
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
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:
Options
A : DMM
B : spectrum analyzer
C : logic analyzer
D : frequency counter
When used with an IC, what does the term "QUAD" indicate?
Options
A : 2 circuits
B : 4 circuits
C : 6 circuits
D : 8 circuits
The output of an OR gate with three inputs, A, B, and C, is LOW when ________.
Options
A : A = 0, B = 0, C = 0
B : A = 0, B = 0, C = 1
C : A = 0, B = 1, C = 1
D : all of the above
Which of the following logical operations is represented by the + sign in Boolean algebra?
Options
A : inversion
B : AND
C : OR
D : complementation
Output will be a LOW for any case when one or more inputs are zero for a(n):
Options
A : OR gate
B : NOT gate
C : AND gate
D : NOR gate
How many pins does the 4049 IC have?
Options
A : 14
B : 16
C : 18
D : 20
Which of the following choices meets the minimum requirement needed to create specialized waveforms that are used in digital control and sequencing circuits?
Options
A : basic gates, a clock oscillator, and a repetitive waveform generator
B : basic gates, a clock oscillator, and a Johnson shift counter
C : basic gates, a clock oscillator, and a DeMorgan pulse generator
D : basic gates, a clock oscillator, a repetitive waveform generator, and a Johnson shift counter
TTL operates from a ________.
Options
A : 9-volt supply
B : 3-volt supply
C : 12-volt supply
D : 5-volt supply
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