WWW (World wide web).
–Internet provides the technology by which world wide different computers & computer like devices can be connected to each other.
- On internet, people now are able to share different types of contents using HTML.
- Hence, internet also provides a network of such interconnected online content/data as WWW.
WWW – World Wide Web is one such network of interconnected online content which includes Web pages, pictures, videos, etc.
- The term WWW refers to all the interlinked HTML pages that can be accessed over the Internet.
- The World Wide Web was originally designed in 1991 by Tim Berners-Lee.
-This WWW provides a common platform where different internet resources like web pages, audio, videos, games, software can be accessed and shared.
- every resource on internet is identified and accessed by uniform name or address which is called as URL.
URL Concept
- As internet provides very large number of resources of different types including web pages, games, software, movies, etc.
- to access each such resource a proper address is required so that it can be accessed in same way from any part of the world.
- for this internet and WWW uses the URL for each such resource.
- The URL for any resource alternatively also called as Web Address.
- URL is resource accessing technique on internet which specifies:
ü
Location of resource on network &
ü
Mechanism to access the resource.
- The concept of URL was suggested by Tim-Berner Lee and IETF in the year 1994 and added in
RFC.
- A valid
URL consist of following components:
ü The protocol
used to access the resource.
ü
The location
of server(IP address or name)
ü
Port number
ü Location of the resource in the directory
structure on server
e.g. https://192.168.10.200:8090/httpclient.html
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