1. Computers: Information Technology in Perspective By Long and Long Copyright 2002 Prentice Hall, Inc. Computers: Information Technology in Perspective Larry Long & Nancy Long Copyright 2002 Prentice Hall, Inc.

2. Computers: Information Technology in Perspective By Long and Long Copyright 2002 Prentice Hall, Inc. Going Online Chapter 7

3. Quit 7.3 Let’s Go Surfing Monthly Technology Update

4. Quit 7.4 What Is the Internet? The Net is a worldwide collection of interconnected networks.

5. Quit 7.5 Internet History  ARPANET 1969-1990 1969-1990  Internet  InterNIC No person or organization governs the Internet! Internet

6. Quit 7.6 How do you get on?  Via dial-up connection to Information Service Gateway (ex: AOL) Information Service Gateway (ex: AOL) Internet Service Provider (ISP) Internet Service Provider (ISP)  Via direct network connection using a shared high-speed line on LAN

7. Quit 7.7 Connect via Information Service Gateway  Example: America Online  You have to have PC and modem PC and modem Monthly service charge Monthly service charge  You get User ID and password User ID and password Communications software Communications software User’s guide User’s guide

8. Quit 7.8 Connect via Internet Service Provider  ISP  Gives you direct access via a dialup connection  Do not offer extended information services, just a connection

9. Quit 7.9 Connect via Network Connection  Faster  Wired into Internet via LAN  Types of line connections: DSL line (9 M bps) DSL line (9 M bps) T-1 line (1.544 M bps) T-1 line (1.544 M bps) T-3 line (44.736 M bps) T-3 line (44.736 M bps)

10. Quit 7.10 Internet Terminology  Transmission Control Protocol/ Internet Protocol (TCP/IP)  Packets  Point of Presence (POP)  Point-to-Point Protocol (PPP)  Transmission Control Protocol/ Internet Protocol (TCP/IP)  Packets  Point of Presence (POP)  Point-to-Point Protocol (PPP)

11. Quit 7.11 Going Online Without a PC  Televisions  Set-top box linked to existing TV  Internet appliance Telephone Telephone Cellular phone Cellular phone ISPs offerings ISPs offerings

12. Quit 7.12 Retrieve/View Internet Information  Client/server programs  Browsers Internet Explorer Internet Explorer Netscape Netscape  The Internet address (URL) Identifies location of server site Identifies location of server site Files are downloaded for viewing Files are downloaded for viewing

13. Quit 7.13 Uniform Resource Locator http://www.prenhall.com/long/9e/main.html DomainName Directory Filename AccessMethodOrProtocol

14. Quit 7.14 URL: Access Methods http:// Hypertext Transport Protocol ftp:// File Transfer Protocol news:// Newsgroups gopher:// Gopher menu tree

15. Quit 7.15 Affiliation Commercial Education Businesses Government International Military Network Resources Nonprofit Organizations ID.com.edu.firm.gov.int.mil.net.org URL: Top-Level Domains (TLDs)

16. Quit 7.16HTML   HyperText Markup Language   Scripting language   Interpreted by browsers   XHTML   ASCII text documents   Tags Title text

17. Quit 7.17 Are you addicted to the Net?

18. Quit 7.18 Browser Functions  Retrieve & view Internet-based info  Interact with servers  View electronic documents HTML/XHTML HTML/XHTML Applets or ActiveX controls Applets or ActiveX controls  Download and upload info  E-mail  Newsgroups

19. Quit 7.19 Browser Concepts  Web Site Home page Home page Page Page Graphics, text, audio, video, animation Graphics, text, audio, video, animation  Hyperlinks Hypertext, hot images, hot icons Hypertext, hot images, hot icons  Search Engines

20. Quit 7.20 Browser Elements Menu Bar WorkspaceWorkspace URL Bar ToolbarToolbar Status Bar

21. Quit 7.21 Browser Plugins  Enhance functionality of browsers  Shockwave Player www.macromedia.com www.macromedia.com  Flash Player www.macromedia.com www.macromedia.com  RealJukebox www.real.com www.real.com  RealPlayer www.real.com www.real.com  Liquid Player www.liquidaudio.com www.liquidaudio.com  Quicktime www.apple.com www.apple.com  iPIX  Movies www.ipix.com www.ipix.com  Acrobat Reader www.adobe.com www.adobe.com

22. Quit 7.22 Finding Resources & Information  Browsing the Net Start with a portal (Yahoo) Start with a portal (Yahoo) Divided into major categories Divided into major categories  Searching hints: Read search rules Read search rules Try another search engine Try another search engine Results seldom exhaustive Results seldom exhaustive Choose search words carefully Choose search words carefully BE PERSISTENT! BE PERSISTENT!  Ask someone – FAQs, newsgroups Going Online

23. Quit 7.23 Search Tools  Yahoo  Infoseek  Google  AltaVista  Excite  Northern Light  HotBot  Ask Jeeves  Snap  MSN  Netscape Search  Metacrawler  Dogpile

24. Quit 7.24 Internet Applications  User-friendly  Multimedia  Hyperlinks  Interactive  Frames Web Servers  File Transfer Protocol  Download/upload files  Anonymous FTP GopherGopherTelnetTelnet FTPFTP

25. Quit 7.25Webcasting  Radio broadcasting  Real-time audio streaming  Pull vs. push technology

26. Quit 7.26 Digital Jukebox  Software Microsoft Microsoft Real Networks Real Networks  Download to MP3 players  Can also play videos  Software Microsoft Microsoft Real Networks Real Networks  Download to MP3 players  Can also play videos

27. Quit 7.27 Communicating With People  E-mail  USENET Newsgroups Bulletin boards Bulletin boards Threads Threads  Mailing lists or listservs  Internet relay chat (IRC)  Audio mail  Internet Telephone User Location Service User Location Service Conferencing Conferencing Whiteboarding Whiteboarding Application Sharing Application Sharing  Videophone/video conferencing  Instant messaging

28. Quit 7.28E-mail  Username@domain or e- mail server  The e-mail message  E-mail response options  Post Office Protocol Telecommuting president@whitehouse.govbsmith@abccorporation.com To CC: and/or BCC:) SubjectMessage Attached file(s) Reply Reply to all Forward

29. Computers: Information Technology in Perspective By Long and Long Copyright 2002 Prentice Hall, Inc. Going Online The End