What type of signal is a continuously variable representation of a process variable?
A) Analog signal
B) Process signal
C) Digital signal
D) Automatic signal

Question

Quizplus · Accepted Answer

A) Correct. An analog signal is continuously variable representation of a process variable.
B) Incorrect. An analog signal is continuously variable representation of a process variable.
C) Incorrect. A digital signal uses the language of computers, called binary numbers (on/off switches that represent data), to represent continuous values or distinct (discrete) states.
D) Incorrect. An analog signal is continuously variable representation of a process variable.

What Type of Signal Is a Continuously Variable Representation of a Process