what is the World Wide Web?? & its Features?
what is the World Wide Web?? & its Features?

what is the World Wide Web?? & its Features?

what is the World Wide Web?? & its Features? If You Find The Answer Of This Question Then This Article Is Definitely For You. In This Article, We Will Discuss what is the World Wide Web?? Evolution of the World Wide Web (www), What is World Wide Web Features? and what is a web browser??. So Without Wasting Time Let’s Know About The World Wide Web.

what is the World Wide Web??

The World Wide Web (WWW) is an Internet-based global information system.  The web is a system of interlinked hypertext documents contained on the internet. 

With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them by using hyperlinks.  The World – Wide Web was developed to be a pool of human knowledge, which would allow collaborators in remote sites to share their ideas and all aspects of a common project. 

In other words, The web is the most popular Internet service, which can access higher variety of data (like text, image, audio, video, and many more) than any other service on the internet. 

Evolution of the World Wide Web (www)

World Wide Web (WWW) is a huge collection of web pages on the Internet.  The concept of WWW was developed in Switzerland at the European Particle Research Center (known as CERN), in 1989.

The first text-based prototype was operational in 1991. In the month of December 1991, a public demonstration was given at Hypertext’91  conference in San Antonio, Texas (USA). 

In the year 1993. The first graphical interface software package called Mosaic was released. Hypertex is text displayed on a computer or other electronic device with references (hyperlinks) to other text that the reader can immediately access, usually by a mouse click or key press sequence. 

Apart from running text, hypertext may contain tables, images and other presentational devices.  Hypertext is the underlying concept defining the structure of the World Wide Web, making Wan easy – to – use and flexible format to share information over the Internet.

in the year 1994, CERN and MIT of USA signed an agreement setting up  the World Widia Web Consortium, an organization devoted to further developing the Web.  Since this time hundreds of universities and companies have joined the consortium. 

To access the web server, we have to use client software which is called web browser program.  With a web browser, we can choose an element on the web page, which can then cross – link us to a computer animation, to play any video or audio files or show another well page.  Web browsers can even contact another web server located across the world. 

What is World Wide Web Features?

The amount of information available on the Internet has become so large that it is difficult to search for specific information.  The World Wide Web (www) makes retrieval easy and quick. 

  • The www is a search tool that helps you find and retrieve information from a web site using links to other sites and documents.  The WWW was built on the technology called Hypertext.  This technology increases accessibility to linked documents on the Internet and helps user to navigate between documents very easily. 
  • Hypertext is identified by underlined text and a different color usually.  Some places will refer to these types of technique as Jump – Off Points.  Hypertext can make links within the same document or to other documents.
  • Each time you access a new document by choosing a link, there is a connection made with the web server that the document is on.  Once the appropriate document is retrieved the connection is broken.  There is no point in joining the link while you are viewing it.  This is one reason why the WWW is so efficient. 
  • www lets you search, traverse, and use many types of information at numerous sites and in multiple forms.  This interface is called a browser.  Some people refer to a browser as a web browser ‘often these terms are used interchangeably. 
  • The www is intended to help people share information resources, and services with the widest possible community of users.  Thus a user can access the www on Apple.  UNIX, Macintosh, DOS, Windows, and other operating systems. 
  • just like the internet, the WWW has a protocol, which is known as Hypertext Transfer Protocol (HTTP).  HTTP acts as an interface between a Web Client Software, such Netscape Navigator.

  To use your browser to get different types of information on the Internet, you use different kinds of URLs.  Most URLs starts with http :, which indicates a file at an actual web site. To get to a file on the Web using FTP, you would use a URL that looks:
ftp: // name_of_site / directory / f1_name
To use a Gopher server  From a Web browser, you should use a URL that looks something like this:
Gopher: // name_of_gopher_server

what is a web browser??

A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web.  An information resource is identified by a Uniform Resource Identifier (URI) and may be a web page, image, video, or other piece of content.  Hyperlinks present in resources enable users to easily navigate their browsers to related resources. 

A wide range of web browsers is available for every type of systems you can imagine, including graphical – user – interface, and text – only for dial – up UNIX connections.  Most browsers are freeware.  You can download that directly from Internet.  Internet Explorer 6.0 version comes free as part of Windows XP. 

Currently, the most popular browsers for the World Wide Web are Netscape’s Navigator, developed by Netscape Communications Corporation and Internet Explorer developed by Microsoft Corporation.

A web browser does the following two types of services:

  • Given a URL address, it should be able to access that information.  For hypertext web documents, this means that the browser must be able to communicate with the webserver using the HTTP protocol. 
  • Because the web can also manage information contained on FTP and Gopher servers, in Usenet news postings, in e-mail, and so on, browsers can often communicate with those servers or protocols as well.

Here are the lists of different web browsers which are generally used to access the Intern The brief description of these web browsers are given below:

 * Internet Explorer:
Windows Internet Explorer (formerly Microsoft Internet Explorer abbreviated to MSIE or, more commonly. IE),  is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems starting in 1995.

It has been the most widely used web browser since 1999 attaining a peak of about 95% usage share during 2002 and 2003  with IES and 186. The latest release is Internet Explorer 8, which is available as a free update for Windows XP with Service Pack 2 or later, Windows Server 2003 with Service Pack 1 01 later, Windows Vista, and Windows Server 2008, and is  included with Windows 7 and Windows Server 2008 R2. 

Internet Explorer was originally going to be omitted from Windows 7 and Windows Server 2008 R2 in Europe, but Microsoft later dropped the plans, and instead included a browser ballot screen with the products, allowing users to select a different web browser if they wish. 


* Mozilla Firefox:
Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. 

To display web pages Firefox uses the Gecko layout engine, which implements the most current web standards in addition to several features which are intended to anticipate possible additions to the standards. 

Firefox runs on various versions of GNU / Linux, Mac OS X, Microsoft Windows and many other Unix – like operating systems.  Its current stable release is version 3.6.  released on January 21, 2010. Firefox’s source code is free software, released under a tri – license GNU GPL / GNU LGPL / MPL. 


* Google Chrome:
Google Chrome is a web browser developed by Google that uses the Web Kit layout engine and application framework. 

It was first released as a beta version for Microsoft Windows on 2 September 2008, and the public stable release was on 11 December 2008. The name is derived from the graphical user interface frame, or -chrome “, of web browsers.

In September 2008, Google released the entire source code of  Chrome, including its V8 JavaScript engine, as an open-source project entitled Chromium. This move enabled third-party developers to study the underlying source code and help port the browser to Mac OS X and Linux.


*Safari:
Safari is a web browser developed by  Apple. First released as a public beta on January 7, 2003 on the company’s Mac OS X operating system, it became Apple’s default browser beginning with Mac OS X v10.3 “Panther. 

“Safari is also the native browser for the iPhone OS. A version of Safari for the Microsoft Windows operating system, first released on June 11, 2007, supports Windows XP, Windows Vista, and Windows 7. The current stable release of the browser is  4.0.4 for both Mac OS X and Windows.

* Opera:
Opera is a web browser and Internet suite developed by the Opera Software company. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC clients, downloading files via Bit Torrent, and reading web feeds. Opera is offered free of charge for personal computers and mobile phones.

Conclusion

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Source: I&WT, Wikipedia
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