When you subscribe to cable Internet service, your service provider transmits data to your computer using the same coaxial cable used to transmit television programs to your home. Typically, you subscribe to a line that offers a certain data speed, such as 20 megabits per second, and you can download data up to that limit as far as network congestion allows. In certain circumstances, however, your ISP may artificially limit your Internet use, either reducing your overall speed or slowing down certain services. Writer Bio
