In the early days of the Internet, you would use your computer modem to dial into some Internet service provider over standard phone lines. After a bunch of hissing and beeping, voila! you are connected to the Internet. But a standard phone line and modem are SLOWWWW. People wanted faster Internet connections, and along came DSL (digital subscriber line) and Cable Internet. Now you can connect via a high speed phone or cable line. And instead of using a normal telephone modem, you now use a cable modem. The cable from your wall jack connects directly into the cable modem, and then an ethernet cable connects from the cable modem to your PC. That's all a cable modem is - a box that sits between your computer and the cable company, passing data back and forth at high speeds.
Broadband has come to mean any internet access faster than 56K dialup speeds, which includes both DSL and Cable. Broadband cable internet access beats dial-up hands down: much higher speeds, always on (no need to dial-up, get connected, get disconnected), surf the web without using phone line. High-speed Internet access makes it possible to handle much larger audio and video and multimedia files. Since people normally download much more than they upload, download speeds are optimized and can normally achieve several MB/sec. Upload speeds are normally a fraction of that - more like 400KB/s. Companies like Comcast normally have special sign up offers for new customers - first 6 months or 12 months at $19 per month, then the rate increases to their normal higher rate. They sometimes throw in a free modem as well, so be sure to contact them (or whoever your local cable company is) first before going out and buying a cable modem.
Cable vs. DSL vs. Satellite:
In some areas, DSL is another option instead of cable. It uses your normal phone lines for high speed internet access, but is only available in locations that are within a specific range of a telephone company switching station (normally a few miles). You can also get broadband internet access via satellite (like Dish network TV) - however you still need a phone line connection for uploading data or communicating (since the satellite dish only RECEIVES data from the satellite and cannot SEND info, like what web page you want to see next).
Buying a Cable Modem
Normally your cable company will want to sell or lease you a cable modem for your home internet access, but many people head out to the electronics store and buy their own. So what is the best cable modem? They are totally interchangeable - listed below are several examples of models available. Plan on spending $50-$75 (you can quickly see why you would not want to lease a cable modem for $5 additional per month - not worth it!) Make a trip to Office Depot or Staples or Circuit City and check out the models available.
Motorola SURFboard Cable Modem - about $69
D-Link Cable modem - about $45
Linksys Etherfast Cable Modem - about $59
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