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