CRO is a __________ A. fast x-y plotter B. slow x-y plotter C.

cro-is-a-a-fast-x-y-plotter-b-slow-x-y-plotter-c

CRO is a __________

A. fast x-y plotter

B. slow x-y plotter

C. medium x-y plotter

D. not a plotter

I have been asked this question during an interview for a job.

The question is from Oscilloscope in chapter Oscilloscopes of Electrical Measurements

The correct answer is A. fast x-y plotter

To elaborate: CRO is basically a fast x-y plotter. The x and y axes can be used to understand the variation in the magnitude of one voltage with respect to another voltage signal.