Читайте также: |
|
The Internet, a global computer network which embraces millions of users all over the world, began in the United States in one thousand nine hundred and sixty-ninth year as a military experiment.
Millions of people around the world use the Internet to search for and retrieve information on various topics and in a wide variety of areas including government, politics, business, arts, news, and recreation. People communicate through electronic mail (e-mail), discussion groups, chat channels and other means of information exchange.
The World Wide Web (WWW) is a part of the Internet. By using a computer terminal and a Web browser people connected to the Internet and World Wide Web through the local providers have access to a variety of information. You can move from site to site on the Web by clicking with a mouse on a portion of text, icon or region of a map. These items are called hyperlinks or links. Each link may represent a document, an image, a video clip or an audio file.
The most important problem is information security. There is possibility to get into any of computers. You can visit cities all over the world, museums, meet new friends, do shopping and, of course, play computer games with partners from other countries and continents.
Дата добавления: 2015-07-21; просмотров: 97 | Нарушение авторских прав
<== предыдущая страница | | | следующая страница ==> |
Спутники и телесвязь | | | Виртуальная реальность |