• Electrical Engineering Reference

# Comparator MCQ Questions And Answers - Linear Integrated Circuits

Comparator MCQs : This section focuses on the "Comparator" in Linear Integrated Circuits. These Multiple Choice Questions (MCQs) should be practiced to improve the Linear Integrated Circuits skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

A ______________ is an electronic circuit, which compares the two inputs that are applied to it and produces an output.

A. Waveform Generators
B. Active Filters
C. Comparator
D. Op Amp

Question 2

Comparators are of ________ types.

A. 1
B. 2
C. 3
D. 4

Question 3

________ is an op-amp based comparator for which a reference voltage is applied to its non-inverting terminal and the input voltage is applied to its inverting terminal.

A. inverting comparator
B. non-inverting comparator
C. Both A and B
D. None of the above

Question 4

The output value of the comparator indicates which of the inputs is greater or lesser.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 5

During the ____________ of the sinusoidal input signal, the voltage present at the inverting terminal of op-amp is greater than zero volts.

A. negative half cycle
B. negative cycle
C. positive half cycle
D. positive cycle

Question 6

Depending on the value of input and reference voltage a comparator can be named as

A. Voltage follower
B. Digital to analog converter
C. Schmitt trigger
D. Voltage level detector

Question 7

Why clamp diodes are used in comparator?

A. To reduce output offset voltage
B. To increase gain of op-amp
C. To reduce input offset current
D. To protect op-amp from damage

Question 8

How to keep the output voltage swing of the op-amp comparator within specific limits?

A. External resistors or diodes are used
B. External zeners or diodes are used
C. External capacitors or diodes are used
D. External inductors or diodes are used

Question 9

The special designed comparators are compatible with

A. RTL
B. MOS Logic
C. TTL
D. All of the above