Thursday, 21 July 2011

Session 1: Basic Concept of Internet and Web

World Wide Web
Web is surely an Internet service, based for a common set of protocols, which allows a mainly configured server computer to distribute documents through the Internet in a regular way. This Web standard allows programs on many different computer platforms (such since UNIX, Windows XP, as well as Mac OS) to correctly format and display the knowledge served. These programs are known as Web Browsers.

The Hypertext Concept: Web Links

Unlike another Internet service or standard protocol, the World Wide Web is based a concept of details retrieval called hypertext. In a hypertext document, certain words inside text are marked since links to other instances the present document or to alternative documents. A hyperlink are sometimes a reference in a auto insurance policy to an external small bit of information.

The Web Page

 The net is composed of a lot of Web pages, each of which is served to a browser (when requested) one page at any given time. A Web page is usually a single HTML document, which might include wording, graphics, sound files, and also hypertext links. Each HTML document you create can be a single Web page, regardless of the length of the document or the number of information included.

The Web Site

An internet site is a collection of Internet sites under the control of any particular person or group. Generally, a Web site offers some initial organization of its interior information.


HTTP: Protocol for Transferring Hypertext

Hypertext Transfer Protocol (HTTP) is definitely application-level protocol for distributed, collaborative, hypermedia information systems. Its use for retrieving inter-linked resources took the establishment of the ether.

 

URL (Uniform Resource Locator)

The Web is made up of millions of resources, them linkable. Knowing a page's (or various other resources) exact location could be the key to creating an excellent hyperlink to it. As well, without the exact deal with (called a Uniform Reference Locator or URL), you cannot use the Address bar from a Web browser to visit an internet site or Web page directly. URLs provide the normal addressing system for resources on the internet. Each resource (whether Page, site, or individual file) has a unique URL

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