THE MODEM


A modem allows computers to exchange information through ordinary telephone lines. Almost all computers already come with built-in modems, so you would probably only want to add a modem expansion card if the original modem in a computer .though there are external modem today's external modem are more famous than that of the internal modems in the market.The modem is the device which used to make interface the internet world .more probably here the modem acts as the rooter and also acts has a server.MODEM is abbreviated as the modulator and the demodulator of the signal.

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