RUBAB CHANDIO

PRESENTED BY:

M.ED Morning Roll No: 43

WORLD WIDE WEB

WWW

OBJECTIVESWhat IS WORLD WIDE WEBHistoryStructureComponentsFundamental Concepts How To Create A Web PageWhich Came First OR Www ?Internet AND WwwSummary

WHAT IS WORLD WIDE WEB

Way Of Exchanging Information

Public Files On Computers Can Be Read By Remote User.- Usually Hyper Text Markup Language

( .Html )

A Document On The Web Is Called A Web Page, Identified By A Unique Address Called URL

Uniform Resource Locator ( URL )

HISTORY1989-1990 tim burners lee invents the world wide web ( WWW ) at cern.

Published in 1992

Means for transforming text and graphics simulteneously

Text markup language

STRUCTUREWeb pages constructed using html

Clients use browser application to send URIs via HTTP to servers requesting a web page

Servers respond with requested web pages or error message.

Clients browser renders web pages returned by server

COMPONENTS

Structural ComponentsI. Clients / BrowsersII. ServersIII.CachesIV. Internet

Semantic Components I. Hypertext markup language ( HTML )II. Hyper text transfer protocol ( HTTP )III.Extensible markup language ( XML )IV. Uniform resource locator ( URL )

FUNDAMENTAL CONCEPTS

The Hyper Text Concept : Hyper text is text which contains link to

other text. The term was invented tin nelson around 1965The hypermedia concept :

Hypermedia is term used for hypertext which is not constrained to be text it can include graphics , videos and sounds .Web browsers :

A web browser displays a webdocument and enables users to acecess web document

THANKS