文档介绍：Key to exercises:
Chapter One
What is World Wide Web? When did e into being?
The World Wide Web (also called the WWW, W3, or simply “the Web”) is a huge global database of information, which is stored and distributed by the millions of puters that make up the . Using the Web, you can access information from all over the world, and can display it in the form of documents called "Web pages" on your own puter.
Tim Berners-Lee, a physicist at CERN in Switzerland, invented the World Wide Web (Web) in 1992 as a way anize information in a more brain-like fashion. His idea was to allow people to make multiple free associations with different bits of information.
How does the work?
There are four basic building blocks to the , Hosts, Routers and Clients and Connections. Together, they form the working procedure of the .
How do you connect to the ?
At the moment, there are two basic kinds of connections. There are low-speed connections, and there are high-speed connections. Actually, there is only one kind of low-speed connection. It’s called a dial-up connection, because it uses the regular phone lines. High-speed connections include: Digital Subscriber Lines (DSL), cable, satellite, Integrated Services work (ISDN).
What information can you find on the ?
The short answer to this is "almost anything". Tens of millions of documents are currently available on the Web, covering a huge range of topics.
What are the uses of the ?
As a client to the , one should have the following abilities: Sending and receiving e-mails, upload/download Files, access the World Wide Web.
Do you often log on to the ? What do you usually do on the ?
Open for discussion.
Chapter Two
What are the hypertext and hypermedia?
HTML (Hypertext Markup Language) describes a Web page, which is stored in a plain text file with the HTM or HTML file extension. The primary purpose of HTML is to describe how to format the text content of a Web page.
How does the web work?
A Web page is bina