The
Role of WWW as a Service on the Internet:
The
World Wide Web abbreviated as WWW or the Web. It is an information space where
documents and other web resources are identified by Uniform Resource Locators
(URLs), interlinked by hypertext links, and can be accessed through the
Internet.
Scientist
Tim Berners Lee invented the World Wide Web in 1989. He introduced the first
web browser computer program in 1990 . the browsers available in general public
on the Internet in August 1991.
The
World Wide Web is the universe of network-accessible information, an
expressionof human knowledge. All the resources and users on the Internet that
are using the Hypertext Transfer Protocol HTTP.
It
is a way of exchanging information between computers on the Internet, tying
them together into a vast collection of interactive multimedia resources.
Internet and Web is not the same thing: Web uses internet to
pass over the information.
Webpage
is a document commonly written in HyperText Markup Language (HTML) that is
accessible through the Internet or other network using an Internet browser. A
web page is accessed by entering a URL address and may contain text, graphics
and hyperlinks to other web pages and files. The page you are reading now is an
example of a web page.
A
domain name is an identification a string that defines a area of administrative
autonomy, authority or control within the Internet. Domain names are
formed by the rules and procedures of the Domain Name System (DNS). Any name
registered in the DNS is a domain name. Domain names are used in various
networking backgrounds and application-specific naming and addressing purposes.
In general, a domain name represents an Internet Protocol (IP) resource, such
as a personal computer used to access the Internet, a server computer hosting a
web site.
•
Generic domain names such as .com, .edu, .gov, .net.
•
Country level domain names such as au,
in, za, us.
Table 15.1 Top-Level Domain names
A
web browser also called browser. It is a software application for retrieving,
presenting and traversing information resources on the World Wide Web. An
information resource (web data) is identified by a Uniform Resource Identifier
(URI/URL) that may be a web page, image, video or other piece of content
available in web server. Browsers are primarily use the World Wide Web, they
can also be used to access information provided by web servers in private
networks or files in file systems.
Aweb server is a computer system application that processes requests via HTTP, the basic network protocol used to distribute information on the World Wide Web. The term can refer to the entire system, or specifically to the software that accepts and supervises the HTTP requests
Following
table describes the most leading web servers available today:
Web
Facilitating is an administration of give online space to capacity of site pages
.These Site pages are made accessible by means of WWW.The organizations which
offer site facilitating are known as web host
•
Go Daddy
•
Amazon Web service
•
Digital Ocean
•
Free webhostingarea.com
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