Internet Basics for Lilburn Elementary

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Internet Basics for Lilburn Elementary

• Lisa Campbell,
• Media Specialist

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What is the Internet?

• The Internet is a worldwide collection of
  computer networks

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The Internet is the .

• Plumbing that connects all the computers so they
  can talk!

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This talk can take several forms

• Email
• Wikis -- Discussion groups like Facebook

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What is the World Wide Web?

• This is the information on those computers.

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• When you search for information, you are really
  searching other computers.
• All the information on all the computers all over
  the world is the World Wide Web!
• (All connected by the plumbing, or the
  internet.)

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How to search for facts

• We have a choice of two tools
• Search Engine
• Database

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Whats the Difference?
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Search Engine

• A search engine, like Google, is a robot that
  finds web sites containing the exact words you
  were looking for.
• No humans are involved.

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The bad news about Search Engines

• Search penguins
• What you might get
• Penguin Tires, Inc.
• Penguin Skateboards

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Keywords!

• Google remembers 10 words. Be specific!

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Making a cake?

• Google cake recipe
• 29,200,000 results thats 29 MILLION!!

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Keep adding words

• Add chocolate cake recipe
• 18,000,000 results - 18 MILLION

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Keep adding words

• Add sour cream banana chocolate cake recipe
• 3,770,000 results 3 MILLION

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Keep adding words

• Add coconut sprinkles sour cream banana
  chocolate cake recipe
• 214,000 results WHEW!!

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Coconut Sprinkles Sour Cream Banana Cake Recipe
200,000
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The more keywords you add, the smaller your
results!
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Red Toyota Camry in Lilburn, GA 63 Thousand
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Database

• Look at the word
• Data facts
• Base place
• A human takes facts from the internet, reads it
  and makes sure it is correct, then keeps it in
  one place.

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Database

• You can usually trust what you read in a
  database, like Britannica or Worldbook online.

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What is a URL?

• A URL is the site address on the world wide web.
  It stands for Uniform Resource Locator (geeky
  computer talk)

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What is in a URL?

• http - HyperText Transfer Protocol
• More geeky computer talk!
• indicates a Web document or directory. Most of
  the URLs you will use start with http, which is
  the method by which data is transferred over the
  Web.
• www world wide web
• Example Gwinnett County Public Library
• http//www.gwinnettpl.org/

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Whats that at the end?

• http//www.gwinnettpl.org

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Domain names

• .com commercial
• .net network
• .org non profit
• .edu educational institution
• .mil military
• .gov government

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New Domain Names

• .aero air transport industry 
• .biz businesses
• .coop cooperatives
• .info unrestricted use
• .name individuals
• .museum museums
• .pro professionals
• There are lots of them!

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Country Codes

• .au - Australia.br - Brazil.ca - Canada.fr -
  France .hk - Hong Kong .il - Israel .in -
  India .it - Italy .mx - Mexico .tw - Taiwan
  .uk - United Kingdom

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Get used to glancing at the URL

• A crook pretending to be Ebay!
• URL from Romania! It was right in the URL.
• cgi.ebay.in/romania_WQ44vmds8767204
• Many fell for it and lost their money!