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The internet and services on the internet
Transcript of The internet and services on the internet
are owned or shared by thousands of private and public organizations. The internet is made up of millions of computers connected all around the world. The great thing about the Internet is that it's open to anyone in the world with access to a computer and a phone line.
Even if you do not own a computer or have access to internet there are libraries and internet cafe's or other places that have internet access for little or no cost. There are supercomputers called NAP(Network access points), that serve as major hubs. The NAPs are connected to each other and to
Regional Routers through the largest lines of Internet called "backbones". The Regional Routers are connected to Regional Networks. These Regional Networks connect to many different ISPs(Internet Service Providers) from which you purchase your Internet. These ISPs connect to your home through telephone lines or cable lines. The farther away the lines get from the main backbone the lower the capacity becomes. Most of the computers perform one of three functions. They either request data, provide data, or help send data along the network. Computers that help information travel across the Internet are called Routers. Every time data takes a turn on the Internet, a Router is there to send it in the right direction. Many people think the World Wide Web is the internet, it is only one of the many services found on the Internet. Remember the Internet is just a connection to all the computers in the world. It is what many services use when they connect one computer to the other. Many businesses use Voice Over IP because its less expensive than the regular phone service. The Internet ex.1) X-Box Live ex.2) PlayStation Network (IRC) This program allows users to instantly send messages to each other. As of May 2009, up to 500,000 people were using the IRC at any given time. With more people getting high speed Internet connections and as technology continues to improve, video conferencing over the Internet is becoming more common. Computers have now begun to act as video telephones. Many businesses and corporations turned to high quality video conferencing to save on travel costs. 4.