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Understanding The World Wide Web

Everyday we log on and get into this strange
online world called the web. Now many of usOnce the IP address is reached, the web site
believe that the Internet and web are theand all its content becomes available to the
same, but though they are related, they areuser. Almost immediately the html or
not quite the same thing. The Internet or thehypertext markup language code is sent back
Net as we all call it now, is a worldwideand the text and graphics are available to
system of interconnected computer networks.the browser. This happens fairly quickly,
It transmits data using the Internettaking just a few seconds, helping us make
protocol. The net has many networks all tiedthe  most  optimum  use  of  the  web.
together, carrying out many functions. These
functions may be as different as email orIf things do not go as planned, the viewer
pages of information, or even online chat.will get an error message stating 'the page
The Web is a read-write information space. Itcannot be displayed'. This could mean that
has resources like text documents, images andthere is an error in the server name or the
multimedia.page being searched for does not exist.
Sometimes the server could be busy or the
It is interesting to see how the web works.page being searched has moved. It is best to
Anyone accessing the web will use a webfollow  the  instructions given and continue.
browser like the Internet Explorer or Mozilla
Firefox and the hypertext link to the page orAll this sounds very simple, but today there
resource is typed in. The address would readis high degree of sophistication in the
like this ' This address is given by theprogramming and solutions offered by a web
global, distributed Internet database knownpage. The credit for designing the concept of
as the Domain Name System or DNS. To makethe web goes to Tim Berners-Lee, when he
this sound easier, in the above example, thebuilt the "ENQUIRE". On August 6, 1991, he
address of the server is and there, aposted a short summary of the World Wide Web
request to view "mypage" is being made. HTTPproject on the alt.hypertext newsgroup, using
or Hypertext Transfer Protocol helps inthe concept of HTML. This was the debut of
accessing the server. The DNS then turns allthe Web as a service on the Internet. He
this into an individualized IP or Internetapplied the idea of links to the Internet.
Protocol address. This will look like a phoneThis meant that the web became an
number with four numbers between 0 and 255.accumulation of pages that could be accessed
The IP is a procedure set up by the Internetby clicking on links. Today we have benefited
to find a server anywhere in the world. Inso much from this new communication system
fact once the IP address is known, the serverwhich makes the world so much smaller than
can be located through the ISP or Internetbefore and has linked its many peoples as no
Service  Provider.other means could have ever done.



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