Architecture of the computer

The Internet (English Internet, from an amour. inter - between and English net a-network), the world computer network connecting together thousand of networks, including networks of armed forces and The governmental organizations, educational institutions, charitable The organizations, the industrial enterprises and corporations of all kinds, and also the commercial enterprises (service - of providers) which give to private persons Access to a network. Among types of access to the Internet distinguish on line access, which Allows to use a network in a mode of real time, and off line access when the task for a network prepares in advance, and at connection there is only a transfer or reception. The prepared data. Such access is less exacting to quality and speed of channels Communications, but gives the chance to use only e - mail - e-mail. The information stored in set of computer networks, connected among themselves The Internet, forms huge electronic library. A large quantity of given, Distributed between computer networks, complicates search and reception of the desirable information. For simplification of search on the Internet more and more perfect means developed. Among them it is necessary to note such as Archie, Gopher and WAIS, commercial search cars (search engines, indexes) which represent programs, Using algorithm of search among big memory documents on the key To words. The user receives results of search in the form of the list of headings and descriptions The documents containing keywords, sorted by relevance degree. Such program as Telnet allows users to incorporate from one computer to other remote computer of other network. FTP (the file transfer report) is used for information transfer between computers of various networks. The Internet - most dynamically developing environment of an information exchange in many kind history. Modern possibilities of access to the Internet from mobile phones and Devices (the mobile Internet), from a television receiver, and also information interchange through a network of other devices, expand a circle of users.