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TECHNOLOGY GUIDE FIVE

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whitley
11 diapositives · 270 Views · Jul 12, 2014

TECHNOLOGY GUIDE FIVE. Basics of the Internet and the World Wide Web. Technology Guide Outline. TG5.1 The Internet TG5.2 The World Wide Web. Learning Objectives. Differentiate among the Internet, the World Wide Web, intranets, and extranets. Describe how the Internet operates.

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  1. TECHNOLOGY GUIDE FIVE Basics of the Internet and the World Wide Web

  2. Technology Guide Outline • TG5.1 The Internet • TG5.2 The World Wide Web

  3. Learning Objectives • Differentiate among the Internet, the World Wide Web, intranets, and extranets. • Describe how the Internet operates. • Discuss the various ways to connect to the Internet. • Describe the parts of an Internet address.

  4. The Internet • The Internet is a global WAN that connects approximately one million organizational computer networks in more than 200 countries. • Grew out of an experimental project of the Dept of Defense, Advanced Research Project Agency (DARPA) in the late 1960’s.

  5. The Internet • Today, Internet technologies are being used both within and among companies and organizations. • Intranet • Network designed to serve the internal informational needs of a single organization. • Extranet • Network that connects parts of the intranets of different organizations and allows secure communications among business partners over the Internet using virtual private networks. • Darknet • Private network that runs on the Internet but is only open to users who belong to the network.

  6. Accessing the Internet • Connecting via an online service • Internet kiosks • Dial-up • ISDN • DSL • Cable Modem • Satellite • Wireless • Fiber to the home

  7. Internet Kiosk

  8. An Image of the Internet in the U.S. • The white lines are Internet backbone links.

  9. Addresses on the Internet • Domain names consist of multiple parts, separated by dots, which are read from right to left. • Top-level domain • Rightmost part of an Internet name; common top-level domains are .com, .edu, .gov • Name of the company • Next section of the Internet name • Name of the specific computer • Next section of the Internet name

  10. Internet Address example www.business.auburn.edu Name of the specific computer: business Name of the organization: Auburn University Top level domain: edu

  11. The World Wide Web • The World Wide Web is a system of universally accepted standards for storing, retrieving, formatting, and displaying information via a client/server architecture. • Not the same thing as the Internet • Internet functions as the Transport mechanism. • WWW is an application that uses the Internet, email is another example of an app that runs on the Internet. • Home page: a text and graphical screen display that usually welcomes the user and explains the organization that has established the page. • Uniform resource locator: the set of letters that points to the address of a specific resource on the Web.