Modem is defined as an abbreviation for modulator-demodulator, a device that makes it possible for computers to communicate with one another without being directly connected to each other. An example of a modem is the device used for a computer to communicate with a satellite.What is the definition of computer modem?
modem - Computer Definition. A device that comprises both a modulator that changes a signal in some way in the forward direction and a demodulator that changes the signal back to its original form in the backward direction, essentially reversing the modulation process.Do you need a modem and a router?
Depending on your internet service provider (ISP), you may need to buy a router, a router and separate modem, or a router-modem. Nearly all ISPs use either DSL or fiber for their service, which requires signal conversion by a modem. Most modern routers have modems built-in, so you only need one device.What is an internet modem?
A modem is a device that provides access to the Internet (see below). The modem connects to your ISP, which typically provides either cable or DSL Internet service. Cable modems have a coaxial (or coax) connection, which is the same type of connector found on a TV or cable box.