文档介绍：THE
Abstract
What is the ? Where did e from, and how did it support the growth of the World Wide Web? What are the ’s most important operating principles? The is an work of thousands works and millions puters (sometimes called puters or just hosts) linking businesses, educational institutions, government agencies, and individuals together. The provides around 400 million people around the world (and over 170 million people in the United States) with services such as e-mail, newsgroups, shopping, research, instant messaging, music, videos, and news. No anization controls the or how it functions, nor is it owned by anybody, yet it has provided the infrastructure for a transformation merce, scientific research, and culture.
Wordkey: \ operating principles
TEXT
The word is derived from the word work or the connecting together of two or works. The World Wide Web, or Web for short, is one of the ’s most popular services, providing access to over one billion Web pages, which are documents created in a programming language called HTML and which can contain text, graphics, audio, video, and other objects, as well as
“hyperlinks” that permit a user to jump easily from one page to another.
I—today’s —has evolved over the last forty years. In this sense, the is not “new”; it did not happen yesterday. Although journalists and pundits talk glibly about “” time—suggesti