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Internet And Google
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Internet And Google


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  • 1. Introduction to the Internet
    • Agenda
      • History of the Internet
      • Connecting to the Internet
      • Browsers
      • How to find information
        • Entering a web address (URL)
        • Subject Directories
        • Search Engines
      • Validity and security of information
  • 2. History of the Internet
    • In 1969 Department of Defense started experiment to link computer systems together. This was called ARPAnet.
    • In early 1980’s ARPAnet grew into early internet – mostly universities and research sites funded by the National Science Foundation and the Dept of Defense
    • By 1990, Internet became commercialized and available worldwide
  • 3. Connecting to the Internet
    • Phone Line Connection
      • Internet Service Providers such as AOL
      • Speed is relatively slow
      • Monopolizes telephone line
      • Cost is low
    • Cable Connection
      • Internet Service Providers include Time Warner, Verizon
      • Speed is fast
      • Telephone calls can be received when online
      • Cost is more than phone line
  • 4. Wireless Connections
    • You've probably seen news or advertising about cell phones and PDA’s that let you receive and send e-mail.
    • This seems a logical next step, it uses technology called
    • Wireless Application Protocol ( WAP )
  • 5. WiFi - Hotspots
    • If you've been in an airport, coffee shop, library or hotel recently, chances are you've been right in the middle of a wireless network. Many people also use wireless networking, also called WiFi or 802.11 networking, to connect their computers at home, and some cities are trying to use the technology to provide free or low-cost Internet access to residents.
    • In the near future, wireless networking may become so widespread that you can access the Internet just about anywhere at any time, without using wires.
  • 6. Internet Browsers
    • Browser allows user to find, view, hear and interact with material on the Internet
    • Popular browsers
      • Microsoft Internet Explorer
      • Mozilla Firefox
      • Google Chrome
      • Apple Safari
      • Opera
    • URL - address of the web site
    • Saving a home page (see handout)
    • Favorites
    • Printing
  • 7. How to Find Information
    • Entering a web address or URL
      • Takes you directly to a web site
    • Subject Directories
      • Organize the Internet by subject
      • Information on a variety of topics
    • Search Engines
      • Tool to locate information
      • Uses keywords to search
      • Google is popular search engine but there are many others
  • 8. Validity and Security of Information
    • Just because you find something on the Internet, it doesn’t make it true
    • Study source of the information
    • Look at extension on web site address
      • .com – commercial site
      • .org – nonprofit site
      • .edu – educational site
      • .gov – government site
  • 9. Searching Examples
    • Tips for better searches
    • Advanced searching
    • Helpful Links at OCPL
    • Thanks for Coming!