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World Wide Web


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World Wide Web

  1. 1. How the World Wide Web Works Donald Dingwall
  2. 2. How the web works <ul><li>Your request for the website chosen is sent from your web browser through your modem to your ISP (Internet Service Provider). The data requested is sent back through the opposite way. </li></ul>
  3. 3. How url works URL means Uniform Resource Locator
  4. 4. Web Browsers <ul><li>A web browser is the software program you use to access the World Wide Web , the visual part of the internet. </li></ul><ul><li>Web browsers read a language called hyper </li></ul><ul><li>text mark-up language (html for short) </li></ul>The first browser was called NCSA Mosaic. It was developed at the National Centre for Supercomputing Applications in the early 1990s. This simple point-and-click interface helped to make the Web popular.
  5. 5. Web crawlers
  6. 6. How search Engines Work
  7. 7. Browser Versions
  8. 8. Plug-Ins
  9. 9. Internet, Intranet, Extranet
  10. 10. Web Page Presentation