What is the WWW?
The World Wide Web (WWW): World Wide Web
(often termed simply as “Web”) is the most exciting new tool for the Internet.
It is based on the technology called hypermedia. With hypermedia, information
in one document can be linked to another; related information can consist of
not only text but graphics, audio and video information as well. WWW is an
ambitious, exciting and powerful attempt to link connected information wherever
it may be located on the Internet, allowing the user to easily access and
retrieve related files. The terms Internet and World
Wide Web are often used in every-day speech without much distinction.
However, the Internet and the World Wide Web are not one and the
same. The Internet is a global data communications system. It is a hardware and
software infrastructure that provides connectivity
between computers. In contrast, the Web is one of the services
communicated via the Internet. It is a collection of interconnected documents
and other resources, linked by hyperlinks and URLs.
These hyperlinks and URLs allow the web servers and
other machines that store originals, and cached copies, of these resources to
deliver them as required using HTTP(Hypertext Transfer Protocol). HTTP is
only one of the communication protocols used on the Internet.
Web services also use HTTP to allow
software systems to communicate in order to share and exchange business logic
and data.
Software products that can access the resources of the Web are
correctly termed user agents. In normal use, web
browsers, such as Internet Explorer, Firefox and Apple Safari, access web pages and allow users to
navigate from one to another via hyperlinks. Web documents may contain almost
any combination of computer data including graphics, sounds, text, video, multimedia and interactive content
including games, office applications and scientific demonstrations.
- WWW stands for the World Wide Web
- The World Wide Web is most often called the Web
- The Web is a network of computers all over the world
- All the computers in the Web can communicate with each other
- All the computers use a communication standard called HTTP
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