Introduction to the Internet

1. WWW Introduction to the Internet Email News Groupware FTP

2. Name some things you know about the Internet

3. List a couple of things you would like to know about the Internet

4. What is theInternet?

5. Connection of regional networks Spaghetti and Jello International connectivity Distributed not centralized Not just the Internet It’s a Network of Networks

6. The Internet is Non-proprietary • No one owns or controls the Internet • The future • Fee vs. free • Public vs. private • Internet II

7. The Networks have Common Protocols (Rules) • Common Language - TCP/IP • 1983 • Allows transmission over different networks • Packet transfer/packet switching • Files broken into parts • Parts addressed to final destination • Parts may take different routes (moving van example)

8. Email Accessing Internet Resources Discussion Lists News Telnet FTP Internet Resources Groupware Gopher World Wide Web Chats

9. Computer Mediated Communications

10. Internet Communication Tools • Computer-Mediated Communication Tools • Electronic Mail • Discussion Groups • UseNet News • Internet Relay Chat • Groupware

11. CMC: Electronic Mail

12. Electronic Mail • Online messaging services between computer users • One-to-one • Multiple addresses • Asynchronous (not real time) communication • Text-based • Netiquette very important

13. Basic Email Features Send Delete Read Reply Forward

14. Separate mailboxes Signature files Nicknames Username Lookup Attachments Change Queuing Filtering Compacting Additional Email Features

15. Internet Addresses userid @host.institution.domain draleigh@uwec.edu bergmama@uwec.edu

16. Common Address Forms • America On-Line • username@aol.com • Prodigy • username@prodigy.com • Internet Service Provider • Example: username@win.bright.net • University/Internet • Example: username@students.wisc.edu

17. Questions and Comments Email is taking over my life!

18. CMC: Discussion Lists

19. Discussion Groups • Group Communication • Uses electronic mail • Single theme or topic • Contains threads of conversation within theme • Subscribe and Unsubscribe • Can temporarily suspend subscription • May be very prolific

20. Discussion Lists • International • Different addresses: listserv vs. List • One-way or two-way; always asynchronous • People • lurk • post, followup, reply • Participants’ knowledge varies • Netiquette very important

21. More on UsingDiscussion Lists

22. Unmoderated--messages come directly from sender to the group Moderated--messages go from sender to moderator to the group Set-Up Methods

23. Receive methods From Archives Digest Individual Messages

24. subscribe nomail ack repro conceal digest unsubscribe mail noack norepro noconceal nodigest Common commands--sent to the listserv address

25. Common commands--sent to the listserv address (cont.) • review • index • info refcard • unsubscribe/signoff

26. Common commands--sent to the list address • new message--posts a new “thread of conversation • reply to a message--adds to an existing “thread” of conversation • can also: • reply to an individual who posted a new “thread” or a reply to the list

27. CMC: UseNet News

28. UseNet News • Similar to discussion groups--people communicate on a topic of common interest • News resides on a computer • Does not rely on electronic mail • Do not need to subscribe/unsubscribe • Can post messages, reply to messages, and/or lurk • Participants’ knowledge varies • Netiquette very important

29. CMC: Chats

30. Different Place Same time (snychronous) communication Chats

31. Focus and Structure are keys to success Chats

32. Best if limited number are participating at any one time Chats

33. CMC: Groupware

34. Groupware • Different time (asychronous) communication • Variety of uses • Multimedia focus • Local or distance

35. Lotus Notes/Learning Space Microsoft Outlook First Class NiceNet Examples of Groupware

36. Internet Netiquette • Accepted customs for using the net • DO NOT TYPE IN ALL CAPS • Use emoticons :) :) ;-) • Common abbreviations: BTW, IMHO • Be polite; avoid flaming • Keep your cool! • Repeat part of message when replying

37. Tip for Using CMC • Remember, once a message leaves your computer, you no longer have control over it!

38. Internet Access Tools

39. Internet Access Tools Telnet Gopher Internet Resources FTP WWW

40. Internet tool Address Path URL’s Uniform Resource Locators have 3 parts http://www.uwec.edu/Info/IT/Sup/Help/help.htm

41. Internet Address--URL’s Several Internet resources use URLs • Gopher--Example: Gopher Jewels • Gopher://cwis.usc.edu • Telnet--Example: CARL • telnet://carl.colorado.edu or • telnet://pac.carl.org • WWW--Example: Global Schoolhouse • http://k12.cnidr.org/gsh/gshwelcome.html

42. More Info on URLs • Represent IP Numbers • CaSe SEnSiTIve • Some servers will not accept the full URL • example, if http://www.eff.org/govt.html gives an error; use http://www.eff.org/ • Sometimes do not work

43. Internet Access: WWW

44. World Wide Web (WWW) • Hypertext links to Internet resources • Fastest growing Internet tool • Text, images, sound, video • Can set bookmarks and save files • Incorporates Email, UseNet News, Gopher, Telnet, FTP

45. World Wide Web (WWW) • Can order products • Be careful about credit card numbers • Speed and file size can be a problem • Requires helper programs • to hear sounds • to view images • to play videos • to view some text files

46. Internet Access: Gopher

47. Gopher • Accessible through WWW • Mostly text based • Relies on a menuing system • Has similar resourcesthat WWW has

48. How to Find Web & Gopher Resources • Colleagues • Magazines • On-line discussion lists • Newspapers • Search Engines (Veronica, InfoSeek, Lycos, Web Crawler) • Exploration

49. Resource Evaluations • Do you know the “author”? • Is the source copyrighted? • Is it a credible source? Should it be? • Is it the current version? Should it be? • Is it fact or opinion? • How do you cite it?

50. Internet Access: Telnet