The internet world wide web
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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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The internet world wide web

The Internet & World Wide Web


Important difference

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


Arpanet

ARPANET

  • Department of Defense initiative

  • SPUTNIK

  • 1983 the ARPANET became the Internet


Domain name system

Domain Name System

  • IP address

  • Domain Name

  • DNS: Domain Name System

  • Top-Level Domain (i.e., .edu)


Text based applications

Text Based Applications

  • Electronic Mail

  • Newsgroups

  • Chat

  • Telnet

  • FTP (file transfer protocol)


The internet world wide web

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


The internet world wide web

HTML

  • Hypertext Markup Language

  • Hand coding

  • WYSIWYG

    • What You See is What You GET

    • Frontpage, Dreamweaver


Internet web and politics

Internet/Web and Politics

  • Howard Dean

  • Political Candidates

  • Campaigning

  • Information


Internet web economic issues

Internet/Web Economic Issues

  • Internet an integral part of many companies’ business plans


Virus attacks

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


Spyware

Spyware

  • Installed onto a computer often without consent

  • Causes “pop-up” ads to appear

  • Can track web surfing history


Legalities

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


Digital divide

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


What will happen

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)


Internet 2

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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