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The Internet & World Wide Web

The Internet & World Wide Web. Important Difference. Internet Refers to the worldwide connection of computer networks that allows a user to access information located anywhere on the network. World Wide Web Refers to the set of technologies that places a graphical interface on the Internet.

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The Internet & World Wide Web

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  1. The Internet & World Wide Web

  2. Important Difference • Internet • Refers to the worldwide connection of computer networks that allows a user to access information located anywhere on the network. • World Wide Web • Refers to the set of technologies that places a graphical interface on the Internet

  3. ARPANET • Department of Defense initiative • SPUTNIK • 1983 the ARPANET became the Internet

  4. Domain Name System • IP address • Domain Name • DNS: Domain Name System • Top-Level Domain (i.e., .edu)

  5. Text Based Applications • Electronic Mail • Newsgroups • Chat • Telnet • FTP (file transfer protocol)

  6. Web • 1989 Tim Berners-Lee develops World Wide Web and HTML • 1993 scholars at University of Illinois developed a graphical browser for the World Wide Web

  7. HTML • Hypertext Markup Language • Hand coding • WYSIWYG • What You See is What You GET • Frontpage, Dreamweaver

  8. Internet/Web and Politics • Howard Dean • Political Candidates • Campaigning • Information

  9. Internet/Web Economic Issues • Internet an integral part of many companies’ business plans

  10. Virus Attacks • Email can have a virus • Web pages can attract a worm • Sometimes a worm will attack no matter what you do or don’t do

  11. Spyware • Installed onto a computer often without consent • Causes “pop-up” ads to appear • Can track web surfing history

  12. Legalities • Legal issues plague the Internet • USAPATRIOT Act • Law enforcement agencies can monitor web use and can get data from ISPs • RIAA • CAN-SPAM Act • Many more

  13. Digital Divide • 75 % of Internet non-users reside in households where income is less than $15,000 per year • 87.2% of people with less than a high school diploma do not use the Internet • 68.4% of Hispanics and 60.2% of blacks are not online • Computers are too expensive

  14. What Will Happen? • More broadband access will change how people use Internet and Web • Currently 42% of Americans use broadband • More ipods -> more music downloads • Virtual Private Networks will continue to grow • Intranets and Extranets will become more common • More “Web Services” will appear (XML,SOAP)

  15. Internet 2 • 200 universities and 60 corporations joined together to form a second Internet • Goal is “to ensure the transfer of new network technology and applications to the broader education and networking communities.”

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