World Wide Web

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World Wide Web : 

World Wide Web “WWW”, "Web" or "W3"

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What is WORLD WIDE WEB? Background. Structure. Components. Fundamental concepts. How to access the web? Creating a web page? Internet and World wide web? Growth 3d mapping of WWW. Examples Conclusion

WHAT IS WORLD WIDE WEB? : 

Way of exchanging information. Network of pages of images, texts and sounds etc. Platform for user. WHAT IS WORLD WIDE WEB?

WWW …. BACKGROUND? : 

WWW …. BACKGROUND? 1989-1990 – Tim Berners-Lee invents the World Wide Web at CERN Published in 1992 Means for transferring text and graphics simultaneously Lots of previous attempts (Gopher, WAIS, Archie, Xanadu, etc.) Established a common language for sharing information on computers

STRUCTURE : 

STRUCTURE Clients use browser application to send URIs via HTTP to servers requesting a Web page Constructed by HTML. Servers respond with requested Web page or with error message. Page is written using Hyper Text Markup Language (HTML) Displaying text, graphics and sound in browser.

WWW COMPONENTS : 

WWW COMPONENTS Structural Components: Clients/browsers Servers Caches Internet Semantic Components: Hyper Text Transfer Protocol (HTTP) Hyper Text Markup Language (HTML) Extensible Markup Language (XML) Uniform Resource Identifiers (URIs)

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FUNDAMENTAL CONCEPT OF THE WORLD WIDE WEB The Hypertext concept Hypertext is text which contains links to other texts. The term was invented by Ted Nelson around 1965 . The Hypermedia concept Hypermedia is a term used for hypertext which is not constrained to be text: it can include graphics, video and sound.

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WEB Browser A web browser displays a web document and enables users to access web documents. WEB Server This is a program that waits patiently for the browser to request a web page. The servers looks for the requested information, retrieves it and send it to the browser or sends an error message if the file is not found. Uniform Resource Locator (URL) These are the web addresses. We type URL in Address bar of the browser then hit on enter then URL request a web page to the web server .

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It is the Hypertext Transfer Protocol The domain name of web server on which page is located. It identifies the location of the document on internet It identifies the resource name.

HOW TO ACCESS THE WEB? : 

HOW TO ACCESS THE WEB? Follow these steps, Open your web browser Write the address in the address bar Hit the ENTER key or click on the GO button

Creating a WEB PAGE ! : 

Creating a WEB PAGE ! Sets of text files Noted in HTML notation Individual embedded tag for each text, image and video Interpreted by a web browser

THE DIFFERENCE BETWEEN WORLD WIDE WEB AND INTERNET…? : 

THE DIFFERENCE BETWEEN WORLD WIDE WEB AND INTERNET…? Internet: massive network of networks connecting millions of computers Web: way of accessing the information medium: internet simply, large portion of internet

GROWTH OF WORLD WIDE WEB : 

GROWTH OF WORLD WIDE WEB

WORLD WIDE WEB success!! : 

WORLD WIDE WEB success!! World Wide Web succeeded because it was simple! Didn’t attempt to maintain links, just a common way to name things

3D MAPPING OF THE WORLD WIDE WEB : 

3D MAPPING OF THE WORLD WIDE WEB

Examples: : 

Examples: www.juw.edu.pk www.google.com www.msn.com

Conclusion : 

Conclusion The World Wide Web was have today was created by some very bright, talented people who either had vision, or were inspired by other talented people’s visions. Though their ideas were not always popular, they pressed ahead. Their perseverance and hard work brought us to where we are today. There is a lot to be learned by studying these people, their early work and keeping in mind what they had to work with.

Thank you! : 

Thank you!

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Presented By: Zainab Muneer

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