A device used to compare an analog voltage to a reference value, for the purpose of generating a digital signal is called a(n):
A) analog limiter.
B) step inverter.
C) digital converter.
D) comparator.

Question

Quizplus · Accepted Answer

A comparator is a device used to compare two voltages or currents and outputs a digital signal indicating which is larger. It specifically compares an input voltage against a reference value to generate a digital output, making choice D correct.

A Device Used to Compare an Analog Voltage to a Reference