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World Wide Web.

Since 1993,THE  WORLD  WIDE  WEB (WWW) has   become  one of  the  fastest   growing  communication systems  in   history . Consisting   of  an  expanding  pool   of " pages "created   by   companies, associations,and  individuals,it  is  accessible to  anyone  connected   to  the Internet.Two  features  of the  web  make  it appealing .The  first  is  the   non  linear  method  of  presenting information   known  as " hypertext ".This  enables  users   to  jump between  documents  of  subject -related   material  at  the  click of  the  mouse.The  second  is  the   multimedia  format of  web pages,which  can  be designed   using  sophisticated  graphics ,sound,and  animation   and  displayed   on  screen  by  a  program  called  "graphical  browser".Since  the development  of  the  browser , the  web   has  become  more  sophisticated  and  easier   and internet   in  the  www  has  exploded.
WEB-SITE .A   web-site   is   a collection  of   linked  documents  stored  on  a single  computer,anywhere  in  the  world. Sites  can   be  linked  up  to  each  other  using  "hyperlinks".
UNIVERSAL  RESOURCE  LOCATOR  OR (URL)
Prefix 'http;//"(hypertext  transfer  protocol) indicates  a  web site  or page  is  being accessed .
WWW.nameof site.com-command   browser  to  look  for  the  pages  stored    at  this  computer.
NAVIGATING THE  WEB.-There  are  millions  of pages  available  on   the web  and graphical  browsers  such as  Netscape  Navigator  , provide  a   window  in  the  computer  screen  on  which  these   pages  are  displayed  in  fine  detail.Keyword  searches  can  be  performed  using  a  facility   called  a    '"search  engine " .Particular  topics  can  be  explored  using  directories  called  "subject  trees". and   specific  pages  can  be  accessed by  typing  the  exact  address, or URL(Universal Resource-Locator).Other   browser  tools    include "history lists", "hot lists",  and  "book marks"
THE  INTERNET  AND THE  WEB.
Tim Beginners-Lee  ,the  physics  researcher  who  first  conceived   the  web  in  1989.Compared  the  Internet  and  the Web  to  the  difference   between    the  brain and the mind ;where  the  Internet  is the physical   method  of  communication  and the  web  is  the  information  itself.

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