MODEM

Modem

A modem is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded to reproduce the original digital data. Modems can be used with any means of transmitting analog signals, from light emitting diodes to radio. The most familiar example is a voice band modem that turns the digital data of a personal computer into modulated electrical signals in the voice frequency range of a telephone channel. These signals can be transmitted over telephone lines and demodulated by another modem at the ...

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modem

Noun

  1. A device that encodes digital computer signals into analog/analogue telephone signals and vice versa and allows computers to communicate over a phone line.


The above text is a snippet from Wiktionary: modem
and as such is available under the Creative Commons Attribution/Share-Alike License.

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