Brian Watson

1
W
ORLD
W
IDE
W
EB

• Presented By
• Brian Watson

2
CONTENT

• What is it
• The Make-up
• Web vs Internet
• How it began
• How it works
• Browsers
• Hypertext
• Surfing

3
WHAT IS THE WEB?

• Something a spider weaves
• A universal database of knowledge
• A global hypermedia network
• The internet

4
THE WEB Vs THE INTERNET

• Many people think the WWW is the same as the
  internet. This is false!
• The internet refers to the physical side of the
  global network - a giant mass of cables and
  computers
• The web is just one software application that
  utilises the internet

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MAKE-UP
INTERNET

• WORLD WIDE WEB
  
• SMTP
  NNTP
• POP MAIL WEB
  E-MAIL
• ARCHIE
  FTP
• GOPHER
  IRC
• VERONICA
  NEWS

6
HOW DID IT BEGIN?

• Proposed March 1989
• Tim Berners-Lee (director W3C at MIT)
• European Particle Physics Laboratory (CERN)
• First web software end 1990
• Demonstrated 1991
• More people involved 1992
• Since then.

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HOW DOES IT WORK?

• World wide web Servers or HTTP servers
• To access the Web you run a BROWSER
• The browser can -
• Read documents
• Access files by -
  FTP
• 
  - NNTP
• 
  - GOPHER etc.
• Follow links

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BROWSERS

• Internet Explorer and Netscape Navigator
• Multilingual
• Organise
• Use links
• Hypertext
• Hypermedia

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HYPERTEXT AND HYPERMEDIA

• HyperText Markup Language (HTML) is the
  language used to create web documents
• HyperText is basically the same as regular text
• Contains links within text to other documents
• Hypermedia is hypertext with a difference
• Contains links to text and other media
• Hypermedia simply combines hypertext and
  multimedia

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WHATS ON THE WEB?

• Virtually everything is available somewhere
• It is cheaper to publish on the web than on paper
  or other electronic media

Music
xxx
Shopping
Education
News
Sport
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SURFING

• Many people these days talk of how they surfed
  the net for hours
• But what do they mean?
• Were they on Bondi Beach with a computer or
  looking at it on a computer?

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SURFING THE WEB

• Hypertext links called HYPERLINKS, can create a
  complex virtual web of connections
• If you were to go to a web page and follow all
  the links you could find your self on a free
  associative tour of information known as
• SURFING THE WEB

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FURTHER INFO

• If you want more information on the world wide
  web then go to-
• http/www.w3.org

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THE END