tailieunhanh - Web Technology Book

Introduction By the turn of the century, information, including access to the Internet, will be the basis for personal, economic, and political advancement. The popular name for the Internet is the information superhighway. Whether you want to find the latest financial news, browse through library catalogs, exchange information with colleagues, or join in a lively political debate, the Internet is the tool that will take you beyond telephones, faxes, and isolated computers to a burgeoning networked information frontier. The Internet supplements the traditional tools you use to gather information, Data Graphics, News and correspond with other people. Used skillfully, the. | 1. Introduction to Internet . Introduction By the turn of the century information including access to the Internet will be the basis for personal economic and political advancement. The popular name for the Internet is the information superhighway. Whether you want to find the latest financial news browse through library catalogs exchange information with colleagues or join in a lively political debate the Internet is the tool that will take you beyond telephones faxes and isolated computers to a burgeoning networked information frontier. The Internet supplements the traditional tools you use to gather information Data Graphics News and correspond with other people. Used skillfully the Internet shrinks the world and brings information expertise and knowledge on nearly every subject imaginable straight to your computer. . What is the Internet The Internet links are computer networks all over the world so that users can share resources and communicate with each other. Some computers have direct access to all the facilities on the Internet such as the universities. And other computers eg privately-owned ones have indirect links through a commercial service provider who offers some or all of the Internet facilities. In order to be connected to Internet you must go through service suppliers. Many options are offered with monthly rates. Depending on the option chosen access time may vary. The Internet is what we call a metanetwork that is a network of networks that spans the globe. It s impossible to give an exact count of the number of networks or users that comprise the Internet but it is easily in the thousands and millions respectively. The Internet employs a set of standardized protocols which allow for the sharing of resources among different kinds of computers that communicate with each other on the network. These standards sometimes referred to as the Internet Protocol Suite are the rules that developers adhere to when creating new functions for the .