Question

a device that displays the continuous plot of a wave is called: a. an oscilloscope. b. a reverb unit. c. a stethoscope. d. a microphone.

Explanation:

An oscilloscope visually represents waveforms. A reverb unit adds echo - like effects, a stethoscope listens to internal sounds of the body, and a microphone converts sound waves to electrical signals.

Answer:

A. an oscilloscope