Question

What is the full form of POTS?

(a) Private Office Telephone System

(b) Public Office Telephone System

(c) Primary Office Telephone System

(d) Plain Old Telephone Service

The question was posed to me by my school teacher while I was bunking the class.

I would like to ask this question from FM Stereo Multiplexing in portion Angle Modulation of Analog Communications

Answer 1

Right option is (d) Plain Old Telephone Service

To elaborate: POTS is an analog telephone service. It stands for Plain Old Telephone Service. It is implemented over copper twisted pair wires. It is based on Bell Telephone System. POTS is used more widely due to its reliability.