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be interlinked and accessible over the Internet worldwide. www is also known as
Web. Many people believe that the World Wide Web and the Internet are the same
thing, but this is not correct. In fact, these are two different things. The Web is a
service (a system for accessing information) that is supported by the Internet, a
system of interconnected networks.
Information on the Web is stored in the form of Web pages. A Web page is a
hypertext document. A collection of related web pages is called a website. Websites
are housed on Web servers. A Web server is an Internet host computer that often
stores thousands of individual Web pages. Copying a Web page onto a server is
called publishing the Web page. This process is also called posting or uploading.
HOW DOES THE WEB WORK?
Web documents can be linked together because they are created in a format known
as hypertext. Hypertext system provides an easy way to manage large collections
of data, which can include text files, pictures, sounds, movies and more. To support
hypertext documents, the Web uses a special protocol, called the Hypertext
Transfer Protocol (HTTP). The language allows a document’s author to embed
hypertext links— also called hyperlinks or just links in the document. HTTP and
hypertext links are the foundations of the World Wide Web.
USING WEB BROWSER
For several years, the Web remained a tool used by scientific researchers. But in 1993,
developers at the National Center for Supercomputing Applications (NCSA)
created Mosaic, a point and click Web browser. A Web browser is a software
application designed to find hypertext documents on the Web and then open the
documents on the user’s computer. Commonly used web browsers are Google
Chrome, Microsoft Edge, Mozilla Firefox, etc.
Launching Your Browser
You may need to connect to the Internet before launching 3
the browser. Once you have established a connection,
launch your browser by following the given steps:
Step 1 Click on search box.
Step 2 Type microsoft edge. 2
Step 3 Click on Microsoft Edge. The Microsoft Edge
window will appear. 1
Launching a Web browser
Internet and E-Mail 63

