What is Internet?

What is Internet?

Internet, sometimes just a "net", is a global system of computer networks - a network of networks that enable users at any one computer, if they have permission to get information from another computer (and sometimes speak directly to the computers of other users) . It was developed by the Advanced Research Projects Agency (ARPA) from the Government of the United States in 1969 and was first known as the Arpanet. The original objective of establishing a network that would allow users of computers in university research to be able to "talk" computer search of other universities. One aspect of the benefit is that the Arpanet project, that the letters could be ravaged or roads in more than one direction, can reach the network to continue operating even if parts of it were destroyed in the event of a military attack or other disasters.

Internet today is an open, cooperative and self-sufficiency facility access to hundreds of millions of people all over the world. Physically, the Internet and used part of the total resources of the existing public telecommunications networks. Technically, what is the use of the Internet to a set of protocols called TCP / IP (for TCP / IP). Two recent amendments of Internet technology, Intranet and Extranet, and also take advantage of the TCP / IP protocol.
For many Internet users, electronic mail (e-mail) practically Postal Service for short transactions in writing. E-mail application is the most widely used on the Internet. You can continue to live 'talks' with other computer users, using a carry-over Internet chat (Center). Recently, the Internet telephone equipment and software allows real-time voice of the talks.

The most widely used part of the Internet is the World Wide Web (often abbreviated reflect "WWW" or "Internet"). Outstanding feature is hypertext, a way of immediate cross-referencing. In most locations, and some words or phrases in the text of a different color from other countries, and often emphasized the text. If you have any of these words or phrases, will be relocated to the site or page that is relevant to that word or phrase. Sometimes there are buttons, images or parts of images, "click". If you move the pointer over a spot on a Web site and the index changes on the one hand, this means you can click and transfer to another site.

Using the Internet, you will have access to millions of pages of information. Are surfing the Internet with a Web browser, including the most popular Microsoft Internet Explorer and Netscape Navigator. The emergence of a particular location can vary slightly as the browser you are using. Even in later versions of the browser capable of the most special of the "bells and whistles" such as animation, virtual reality, voice and music files from previous versions.