Introduction to the Internet

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Introduction to the Internet

• 1B

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Objective

• List two reasons for the Internets creation.
• Identify three ways in which people commonly use
  the internet.
• Use a web browser to navigate the World Wide Web.
• Successfully search for content on the Web, using
  standard search tools.

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The Beginning A Network of Networks

• ARPANET
• host
• NSFnet
• Internet
• Internetworking
• backbone

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Today Still growing
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Self Check

• The Internet is sometimes called a ________ of
  networks.
• The Network that eventually became the Internet
  was originally called __________.
• ______________controls the Internet.

network
ARPANET
No one person or group
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Using Your Browser and the World Wide Web

• Launching Your Browser
• Navigating the Web
• Getting Help with Your Browser

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Launching your Browser

• Click the start button on the windows taskbar.
• The start menu opens
• Point to Programs to open programs
• Find the name of browser and click it, or
• Click the browser name on the Desktop

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Navigating the Web

• Using URLs
• Web page unique address
• Example
• http//www.glencoe.com/
• Using Hyperlinks
• Part of webpage that is linked to a URL
• Example
• San Antonio Spurs
• Using Browser Navigation Tools

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Getting help with your Browser

• Open the Browsers Help menu
• Choose Contents
• A Help Window appears

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Searching the Web

• Directories
• Search Engines

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Using a Directory

• Launch your Web browser
• In the Location/Address bar type
  http//www.looksmart.com/ and press enter.
• Under computing, click the hardware category
• Click the Peripherals subcategory then click
  digital cameras, then buyers guide
• See page 31 for future instructions.

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Using a Search Engine

• Most search engines allow you to use Boolean
  operators to modify your search Criteria

Operator Search Criteria Effect
AND Printer and color Looks only for pages w/both printer and color
OR Printer or color Looks for page w/either printer or color
NOT Printer not color Looks for pages that do not include color
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Using a Metasearch Engine

• Metasearch Engines use multiple search engines
  simultaneously to look up sites that match your
  keywords, phrase, or question.
• Examples
• www.dogpile.com
• www.mamma.com
• www.thebighub.com

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Site-Specific Search Tools

• Many high volume Web sites feature built-in
  search tools of their own.
• Some site-specific search tools let you search
  outside that particular site.
• Example
• http//www.zdnet.com
• You can decide whether you want to search on that
  site or the entire Web for related information

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Please complete the following

• Key Term Quiz
• Multiple Choice
• Review Questions
• Pages 38-39