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You are here:  iWEBTOOL > Computer Glossary > Modem

What is Modem?
The word modem is actually short for Modulator/Demodulator. (There's something you can really impress your friends with). A modem is a communications device that can be either internal or external to your computer. It allows one computer to connect another computer and transfer data over telephone lines. The original dial-up modems are becoming obsolete because of their slow speeds and are being replaced by the much faster cable and DSL modems.
   
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Popular terms beginning with 'M':
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