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The Internet & Web Browsers

The Internet & Web Browsers. Computer Technology. What is the Internet?. A network of networks Started in 1969 by U.S. Defense Dept. World Wide Web (WWW ) – A system of internet servers that support HTML formatting.

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The Internet & Web Browsers

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  1. The Internet & Web Browsers Computer Technology

  2. What is the Internet? • A network of networks • Started in 1969 by U.S. Defense Dept.

  3. World Wide Web (WWW) – A system of internet servers that support HTML formatting. • IP Address – A unique series of numbers assigned to every computer network in the internet EX: 168.28.233.11 • Domain Name – A text based equivalent for one or more IP addresses • HTML – Hypertext markup language; coding language telling browser how to display documents Definitions

  4. Purposes of a Web Site • E-Commerce • Personal Use • Information Source

  5. Purposes of a Web Site E-Commerce • Conduct business • Sell products and services online • Amazon.com • Expedia.com • Communicate with other businesses & customers

  6. Purposes of a Web Site Personal Use • Conduct personal research • Post messages on bulletin boards • Send and receive e-mail • Visit with friends using online messaging services

  7. Purposes of a Web Site • Information Source • Non-profit organizations • Weather • News

  8. Internet Service Provider (ISP) • American Online (AOL) • Comcast • Qwest • Web Browser • Internet Explorer • Netscape Navigator • Mozilla Firefox • Search Engine Internet Requirements

  9. Uniform Resource Locator • Identifies Internet locations • http://www.microsoft.com • Protocol • Web • Server • Domain URL

  10. .com • .edu • .gov • .net • .org Domains

  11. Used by Web servers to differentiate users and to maintain data related to the user during navigation • To delete cookies: • Choose tools internet options • Click ‘delete cookies’ button Cookies

  12. Two indications that ensure confidential data • https protocol on URL address • security button (padlock icon) on browser Secured Site

  13. Error Messages • DNS entry not found • The requested source could not be found • Server busy

  14. Mistyped URL • Web site server busy • Web page no longer exists Reasons for Error Messages

  15. A Web browser is: • A tool for travelling the Internet • Client software for viewing World Wide Web pages. • A multimedia interface allowing integration of text, graphics, audio and video. Web Browser

  16. Internet Explorer (IE) Toolbar

  17. Internet Explorer Address Bar • Displays the URL address of the site you are viewing • Allows you to go directly to a site on the Internet

  18. Using History in IE • Displays all recently visited web sites • Use to help you to return to previously viewed web pages

  19. Using Favorites in IE • Save links to useful resources • Create your own custom menus • Add sites by opening the Favorites Menu and selecting Add To Favorites • Select Organize Favorites from the Favorites Menu to organize your list

  20. Tabbed Browsing • Allows more than one web page to open within the same browser window. • Each window appears on a separate tab • Use to organize web pages while browsing

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