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How Modems Work

Close Up of a Modem and Cable Inputs
Close-up image of a home network switch with DSL port and network cables. deepblue4you / Getty Images

If you are reading this article on your computer at home, it probably arrived via modem.

In this edition of HowStuffWorks, we'll show you how a modem brings you Web pages. We'll start with the original 300-baud modems and progress all the way through to the ADSL configurations!

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(Note: If you are unfamiliar with bits, bytes and the ASCII character codes, reading How Bits and Bytes Work will help make this article much clearer.)

Let's get started with a short recap of how the modem came to be.

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