Re:
Hello,
Ure there. Some people use the term broadband in general for 'high-speed internet connections' although it's technically wrong- some service providers for example, apply the term broadband for their high speed ADSL services.
Broadband uses CATV cables, which offers simultaneous channels for fast data transmission. Most cable set top boxes are essentially cable modems, allowing you to hook your PC to it. You can also use a cable modem instead of a set top box.
ISDN and ADSL does use telephone lines or POST (Plain Old Telephone Service) for data transmission. These technologies require either an ISDN or ADSL modem. Although the technologies offer high speeds over telephone lines, they aren't as reliable as cable broadband. The main trouble is seperating your telephone service from your internet connection. Although you can get ADSL filters, the conversation is usually distorted to some degree.
Hope this helps...
Alvin.C