1. What is the Internet? 11/27/07

2. Where did the Internet start?  Networked computers started by Military  ARPANET – 1969 experiment by the Defense department  Connected 4 supercomputers  During war email part became popular  Soon became a problem  Protocols were developed  Evolved into today’s Internet

3. World Wide Web  Internet went unnoticed for several decades  1989 – Tim Berners-Lee proposed an idea at CERN (a physics lab in Europe)  Envisioned a network to organize info in pages that were connected by selectable text – hyperlinks  Became popular with researchers

4.  1993 – Graphical User Interface was introduced  Mosaic released as 1 st graphical web browser  Web is only part of the internet

5. Who owns the Internet? NO ONE!!!!!

6. Internet2  Consortium of 200 universities working with industries and government  Advanced Internet applications and technologies  Will not replace existing Internet

7. What will the next generation bring? Only time will tell!!!!

8. How Do We Join this Growing Community?

9. Users  People who use the services  Look up telephone numbers  Browse online catalogs  Make purchases  Download music/games  Send email  2/3 of population  Home, work, schools, libraries, other public locations

10. Internet Service Providers  Who we get our service from  For a fee  Examples: ATT, AOL, Sprint, EarthLink, Comcast Cable  Provide access to World Wide Web, email, other resources

11. Content Providers  Supply info to Internet  Commercial businesses  Nonprofit organizations  Educational institutions  Individuals

12. Application Service Providers  Companies that manage/distribute software-based services  Rent software access  Examples: office suites, accounting programs  Web Services

13. Infrastructure Companies  Enterprises that own/operate paths of the Internet  Telephone, satellite, and cable companies

14. Hardware/software companies  Companies that make/distribute products used with internet

15. How do I find info?

16. Internet Addresses  IP address – Internet Protocol address  Uniquely identifies each computer or device  Example  216.239.39.99 Identifies specific computer

17. Domain Name  IP hard to remember  Domain name – text version  www.google.com  Examples of domain names:  Com - commercial  Edu - education  Gov - government  Mil - military  Net – network provider  Org – non-profit organization

18. Web Addresses  URL – Uniform Resource Locator  http://www.us- parks.com/grand_canyon/scenic_vistas.html http://www.us- parks.com/grand_canyon/scenic_vistas.html http://www.us- parks.com/grand_canyon/scenic_vistas.html  http: - Hypertext Transfer Protocol – sets rules how pages transfer on the Internet  www.us-parks.com – domain name www.us-parks.com  grand_canyon – path to the server grand_canyon  scenic_vistas.html – web page name scenic_vistas.html

19. Looking for info  Subject directory – classifies web page by categories www.yahoo.com www.yahoo.com  Search engine – finds web sites, web pages, images, video, news, etc. www.google.com www.google.com  Some do both – Yahoo! And Google

20. Search Strategies

21. Using Phrases  Use Phrase searching  Keying more than one word  Returns all phrases first, then the individual words

22. Boolean Operators  And, Or, and Not  Example: all searches related to Intel and AMD processor manufactures  Key in “INTEL AND AMD”  Example 2: all searches not including Intel  Key in microprocessors NOT Intel  Some search sites use + for AND, - for NOT

23. Multiple Sites  Don’t be afraid to use other search sites  Give different results  Use more than one

24. Appropriate Keywords  Do not use “the”, “a”, and “in” unless they are part of a phrase  Example: want to find out about bed and breakfasts located in Monticello, Georgia  Key in – Monticello Georgia bed and breakfast  If this doesn’t help – use synonyms  Ex. Hotel or lodging

25. Wildcards  A special symbol in conjunction with a part of a word  Ex. Hand sign*  This would find hand signs, hand signals, hand signaling, and any other combination