The Internet is arguably the most famous computer network that has ever been put together, yet it evolved without central planning or even a well-coordinated network. Instead of being a single network, the Internet is actually many networks that are interconnected, with tens of thousands of computers (and their users) able to communicate with each other through a common protocol across the giant web.
Originally a network that spanned colleges and government agencies, the Internet has expanded to include hundreds of thousands of users worldwide who communicate on a variety of issues and topics. Service providers such as America On-Line, CompuServe and Prodigy offer Internet access in addition to other services; charges for these on-line services vary depending on the exact package that the user selects.
At the heart of the Internet is the communication software that makes communication across various hardware platforms possible. Users on the Internet either are connected directly, or through an on-line service. All Internet communications use TCP/IP software to translate information going to and coming from the Internet, and some users are directly connected to the Internet through a host server on their network.
According to the Internet Society, more than 20 million individuals throughout the world have found a way to connect to the Internet and are active participants. An estimated additional 160,000 users join each month either through a direct connection or through one of the on-line services.
The Internet is most famous for its e-mail (electronic mail) feature, which allows individuals from anywhere in the world to communicate with other individuals anywhere else in the world. This has led to a rapid increase in the amount of information flowing across the Internet. Professionals can communicate with each other and offer suggestions on common problems; hobbyists are able to share tips on their avocation. Busine...