Question

what is the use of modem​

Answer 1

Answer:

A modem – a portmanteau of "modulator-demodulator" – is a hardware device that converts data from a digital format, intended for communication directly between devices with specialized wiring, into one suitable for a transmission medium such as telephone lines or radio.

Explanation:

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Answer 2

Answer:

A portmanteau of modulator demodulater is a hardware device that converts data from a digital format intended for communication directly between devices with specialized wiring into one suitable for a transmission medium such as telephone lines or radio