A modem is classified as low if speed of data rate is ________

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A modem is classified as low if speed of data rate is ________

A. upto 600bps

B. upto 200bps

C. upto 400bps

D. upto 500bps

I had been asked this question by my college director while I was bunking the class.

This intriguing question comes from AM Wave Representation topic in chapter Amplitude Modulation of Analog Communications

The correct option is A. upto 600bps

To explain: Modem is device that can modulate carrier wave as well as demodulate transmitted modulated signal to decode the original information. When data rate in bps is upto 600, modem is considered having low speed.