Modem

Modem
A&V
A device that transforms a typical two-level computer signal into a form suitable for transmission over a telephone line. Also does the reverse-transforms an encoded signal on a telephone line into a two-level computer signal. Model is an acronym for modulator\/demodulator.

Audio and video glossary. 2014.

Look at other dictionaries:

  • modem — mo dem (m[=o] d[e^]m), n. [by shortening from modulator demodulator.] An electronic device that converts electronic signals into sound waves, and sound waves into electronic signals, used to transmit information between computers by the use of… …   The Collaborative International Dictionary of English

  • modem — modulator demodulator mod u*la tor de mod u*la tor, n. An electronic device that converts electronic signals into sound waves, and sound waves into electronic signals, used to transmit information between computers by the use of ordinary… …   The Collaborative International Dictionary of English

  • modem — I. noun Etymology: modulator + demodulator Date: circa 1952 a device that converts signals produced by one type of device (as a computer) to a form compatible with another (as a telephone) II. transitive verb Date: 1984 to send (as data) via a… …   New Collegiate Dictionary

  • MODEM — modulator/demodulator …   Military dictionary

  • Cable modem — Motorola SurfBoard SBV6120E EuroDOCSIS 3.0 cable modem A cable modem is a type of network bridge and modem that provides bi directional data communication via radio frequency channels on a HFC and RFoG infrastructure. Cable modems are primarily… …   Wikipedia

  • Satellite modem — A satellite modem or sat modem is a modem used to establish data transfers using a communications satellite as a relay.There is a wide range of satellite modems from cheap devices for home internet access to expensive multifunctional equipment… …   Wikipedia

  • Wideband modem — In telecommunication, the term wideband modem has the following meanings: 1. A modem whose modulated output signal can have an essential frequency spectrum that is broader than that which can be wholly contained within, and faithfully transmitted …   Wikipedia

  • Audio/modem riser — The audio/modem riser, also known as an AMR slot, is an expansion slot found on the motherboards of some Pentium III, Pentium 4, and Athlon personal computers. It was designed by Intel to interface with chipsets and provide analog functionality,… …   Wikipedia

  • Narrowband modem — In telecommunication, a narrowband modem is a modem whose modulated output signal has an essential frequency spectrum that is limited to that which can be wholly contained within, and faithfully transmitted through, a voice channel with a nominal …   Wikipedia

  • cable modem — noun Date: 1983 a modem for connecting a computer to a network over a cable television line …   New Collegiate Dictionary

  • fax modem — noun Date: 1986 a computer peripheral capable of sending data to or receiving data from a fax machine or another computer especially over phone lines …   New Collegiate Dictionary

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