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6 internet and web

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Internet and Web
Lecture 6

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• Discuss origins of internet and web
• How to access web
• Discuss internet communications
• Describe search engines
• Di...

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The Internet
• Referred to as the information
superhighway that connects you to
millions of other people and organisations...

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6 internet and web

  1. 1. Internet and Web Lecture 6
  2. 2. • Discuss origins of internet and web • How to access web • Discuss internet communications • Describe search engines • Discuss electronic commerce • Web utilities
  3. 3. The Internet • Referred to as the information superhighway that connects you to millions of other people and organisations • Is used for – Communication – Shopping – Searching – Entertainment – Education
  4. 4. The internet • Launched in 1969 – United States funded a project named Advanced Research Project Agency Network (ARPANET) • The Web also known as WWW was launched in 1992 at Center for European Nuclear Research in Switzerland
  5. 5. Internet and Web • Internet is the physical network made of wires and satellites • The Worldwide web is the multimedia interface to resources available on the internet
  6. 6. Internet Access • Service providers – National level – Regional level – International level • Browsers • Uniform Resource Locators (URLs) – Protocol – Domain name – Domain code
  7. 7. Web sites • Hyper Text Markup Language (HTML) • Hyperlinks • Web Servers
  8. 8. Communication • E-mail or Electronic Mail – Address – Subject – Message – Attachments • Precautions • Discussion groups – Twitter – Chat groups – Instant messaging
  9. 9. Search tools • Search Engines – Keyword search – Directory search • Metasearch engines • Specialised search engines
  10. 10. E Commerce • Business to consumer (B2C) – Web store fronts – Auction house sites • Consumer to consumer (C2C) – Web auctions • Business to business (B2B) – Supplier to manufacturer – Producer to seller
  11. 11. E Commerce • Comparison sites • Security – Payments – Phishing sites ( Bogus Sites) – Spywares • Web utilities – TELNET – FTP – Plug-ins – Filters
  12. 12. SPYWARES • Spyware is any technology that aids in gathering information about a person or organization without their knowledge. On the Internet (where it is sometimes called a spybot or tracking software), spyware is programming that is put in someone's computer to secretly gather information about the user and relay it to advertisers or other interested parties. Spyware can get in a computer as a software virus or as the result of installing a new program.
  13. 13. PLUGINS • A software plug-in is an add-on for a program that adds functionality to it. For example, a Photoshop plug-in (such as Eye Candy) may add extra filters that you can use to manipulate images. A browser plug-in (such as Macromedia Flash or Apple QuickTime) allows you to play certain multimedia files within your Web browser. VST plug-ins add effects for audio recording and sequencing programs such as Cubase and Logic Audio.
  14. 14. Summary • What is internet and the Web • Different components of internet access – Service provider, browser, website • Internet communication • Internet Search • E Commerce

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