The World Wide Web is an information space where documents and other web resources are identified by Uniform Resource Locators, interlinked by hypertext links, and can be accessed via the Internet.

1. World Wide Web
Presented By
Al Mamun Khan
(WWW”, "Web" or "W3“)

2. ➢What is World Wide Web?
➢History of the World Wide Web
➢Structure
➢WWW Components
➢Web Fundamentals
➢How to access the web?
➢Full Structure of a Public URL
➢The Difference Between Internet and WWW
➢Growth of World Wide Web
➢Total number of Websites
➢Examples
➢Comment
Overview

3. ❖ Commonly known as “www” or triple w (w3)” also
called as “web” .
❖Way of exchanging information.
❖A document on the web is called a Web page ,
identified by a unique address called URL[1].
❖Uniform Resource Locator (URL) commonly referred
to as a Web address.
What is World Wide Web

4. ❖Invented By : Tim Berners-Lee
❖In 1989 invents the World Wide
Web (www) at CERN [2].
❖ Published in 1992
❖Text mark up language
❖Not invented by Berners-Lee
❖Simple and easy to use.
Tim Berners-Lee
History of the World Wide Web

5. Tim Berners-Lee

6. Structure
❖Web pages constructed by HTML.
❖Clients use browser application to send URIs via HTTP
to servers requesting a Web page.
❖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[3].

7. WWW Components
❖ Structural Components:
✓Clients/browsers
✓ Servers
✓Caches
✓ Internet [4].
❖ Semantic Components:
✓Hyper Text Transfer Protocol (HTTP)
✓ Hyper Text Markup Language (HTML)
✓Extensible Markup Language (XML)
✓Uniform Resource Identifiers (URIs)[3].

8. World Wide Web (WWW)
✓Global hypertext network of millions of Web
servers & browsers
✓Connected by Hypertext Transfer Protocol
(HTTP)
✓Web pages can be designed by Hypertext
Markup Language (HTML)
Web Fundamentals

9. Web Fundamentals
❑ Web Browser
✓A web browser displays a web
document and enables users to access
web documents.
❑ Web Server
✓Servers respond with requested Web page
or with error message.
❑ 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 pages to the web server [5].

10. 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.

11. Full Structure of a Public URL
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.

12. Difference Between Internet & WWW
➢Internet is a global system of interconnected computer
network.
➢Massive network of networks.
➢connecting millions of computers.
❑ Internet
❑ World Wide Web
➢WWW is one of the services that run on internet.
➢WWW is a system of interlinked hypertext
documents accessed via Internet.
➢Simply, Large portion of internet [6].

13. Growth of World Wide Web

14. Total number of Websites

15. Examples Of WWW
✓http://www.juw.edu.pk/
✓http://almamunkhan.webs.com/
✓http://www.google.com
✓https://www.twitter.com/
✓http://almamunkhan.wordpress.com/

16. Comment
❖ WWW is a global information space which people
can read and write via computers connected to the
Internet .
❖ Web has revolutionized the way we communicate,
do business, access entertainment and share
information.

17. Reference
1. http://www.answers.com/topic/world-wide-web
2. http://home.web.cern.ch/topics/birth-web
3. http://www.tcpipguide.com/free/t_WorldWideWebSystemConceptsa
ndComponents.htm
4. http://zeltser.com/web-history/
5. http://www.webdevelopersnotes.com/basics/the_world_wide_web.p
hp3
6. http://www.webopedia.com/DidYouKnow/Internet/Web_vs_Internet
.asp
7. http://www.google.com/
8. http://www.wikipedia.org/

18. Thank You for Listening
☺