Here's what a modem and router actually do (and why you need both)

What's the difference between a modem and a router? Learn how these two devices work together to connect your home to the ...
PC Magazine

cable/DSL gateway

A device that connects multiple computers to a cable or DSL line for Internet access. Also called a "residential gateway," "modem/router," "modem gateway," "home gateway" and "Internet gateway." The ...
PC Magazine

DSL modem

A device used to connect a single computer or a network to a telephone company digital subscriber line (DSL) service for Internet access. DSL is faster than analog dial-up but significantly slower ...
Ars Technica

Does what DSL modem I use impact my downloading speeds?

I have a Wirespeed DSL modem from Verizon and was wondering if I could get higher speeds from a DSL modem (I am using XP Professional btw) that I could buy at the store? Some people were telling me ...