How Modems Work | HowStuffWorks

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 viamodem.

In this edition ofHowStuffWorks, 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 theADSLconfigurations!

(Note: If you are unfamiliar with bits, bytes and the ASCII character codes, readingHow Bits and Bytes Work将帮助make this article much clearer.)

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