1. Safe Surfing An Introduction to the Internet BOLLI Spring 2008 Lesson 3: OSPs, ISPs, & Browsers 3/19/2008

2. Where Are We Going Today? 1. What's in the News 2. Class Q & A …. YouTube 3. Homework Assignment #2  Email to everyone?  How many dial-up ISPs?  What’s on Wikipedia? 4. Getting Connected What is the Internet? <> How did/does it work? <> Hooking up at home <> Service providers <> Web Portals <> Hands-on Exercises 5. Time Permitting: Browsers <> Maps 6. Open Q&A

3. What’s In The News? Class:Class:? YouTube: http://youtube.com/watch?v=1k08yxu57NAYouTube: http://youtube.com/watch?v=1k08yxu57NA http://youtube.com/watch?v=1k08yxu57NA http://youtube.com/watch?v=-4CV05HyAbM

4. The Internet E-Mail World Wide Web Instant Messaging (I/M) What is the Internet? VOIP (Voice Over Internet Protocol) Web Cam TV & Radio Video Movies

5. How Did the Internet Work? Yesterday

6. How Does the Internet Work? Cable, Satellite, DSL, WiFi MY TELEPHONE Today

7. Getting Hooked-Up at Home Your Home The Internet

8. Service Providers OSPs & ISPs (7,000+ in the USA)OSPs & ISPs (7,000+ in the USA)OSPs & ISPs (7,000+ in the USA)OSPs & ISPs (7,000+ in the USA) Telecom Giants & Ma & Pa CompaniesTelecom Giants & Ma & Pa CompaniesTelecom Giants & Ma & Pa CompaniesTelecom Giants & Ma & Pa Companies Which One?Which One?Which One?Which One? Content?Content?Content? Cost?Cost?Cost? Speed?Speed?Speed? Service Level?Service Level?Service Level?Service Level? Location?Location?Location?

9. Web Portals A gateway to the World Wide WebA gateway to the World Wide Web Links to all the information that is important to you on a daily basisLinks to all the information that is important to you on a daily basis  Recent news stories, weather reports and forecasts, stock quotes, sport scores An extension of a search engineAn extension of a search engine Set your preset startup page to your portalSet your preset startup page to your portal Personalize content - Your favorite features in a single pagePersonalize content - Your favorite features in a single page Mail, news, weather, stock prices, sports scores, TV, movie listings, and moreMail, news, weather, stock prices, sports scores, TV, movie listings, and more Many also feature free-email, chat, and customized news-search tools.Many also feature free-email, chat, and customized news-search tools. Get Syndicated! Real Simple Syndication – RSSGet Syndicated! Real Simple Syndication – RSS

10. – Real Simple Syndication – Real Simple Syndication  A way to publish frequently updated content including: Blog entriesBlog entriesBlog News headlinesNews headlines PodcastsPodcastsPodcasts  An RSS document contains either a summary of content from an associated web site or the full text.  RSS makes it possible for people to keep up with their favorite web sites in an automated manner that can be piped into special programs or filtered displays (Web Portals).  Subscribe by clicking an RSS icon in a browser that initiates the subscription process. The reader (Web Portal) checks your subscribed feeds regularly for new content, downloading any updates that it finds.

11. Location Location Location

12. Sample “The List” Dial upDial up BroadbandBroadband HostingHosting ApplicationsApplications ServicesServices

13. Questions & Answers

14. Open Internet Explorer.Open Internet Explorer. Go to Google home page.Go to Google home page. Select “Tools”, “Internet Options” from the Browser menu.Select “Tools”, “Internet Options” from the Browser menu. Select “Use Current”.Select “Use Current”. Click “OK”.Click “OK”. Go to another Web page and test the home page buttonGo to another Web page and test the home page button Exercise: Reset Browser Home Page

15. 2. Select “Tools”, “Internet Options” from the browser menu 3. Click on “Use Current” and select “OK” 1. Locate the desired new home page in your browser

16. Exercises – Time Permitting Maps http://maps.google.com/ Mapquest http://www.mapquest.com/

17. Speed Speed Speed Dial-up 56KBDial-up 56KBDial-up DSL 128KB – 50MBDSL 128KB – 50MBDSL Broadband: DSL 64 – 30 MBBroadband: DSL 64 – 30 MBBroadband: DSL 64 – 30 MBBroadband: DSL 64 – 30 MB Broadband: Cable 64KB – 50MBBroadband: Cable 64KB – 50MBBroadband: Cable Broadband: Cable Broadband: FiOS 2 MB – 50 MBBroadband: FiOS 2 MB – 50 MBBroadband: FiOS Broadband: FiOS Broadband: ISDNBroadband: ISDNBroadband: ISDNBroadband: ISDN Wireless, ISDN, & moreWireless, ISDN, & moreWireless, ISDN, & moreWireless, ISDN, & more

18. Browsing the Web NNavigating (Surfing) the Web

19. How Does Web Browsing Work? 1. Start your browser program (Internet Explorer, Firefox, etc.). 2. Enter the Web page address (aka “URL”) www.brandeis.edu/bolli www.brandeis.edu/bolli The browser sends a message directly to that address requesting a response.The browser sends a message directly to that address requesting a response. The requested response is returned to your computer and is displayed by the browser.The requested response is returned to your computer and is displayed by the browser.

20. Using a Domain NameUsing a Domain Name For Brandeis University, you enter: www.brandeis.eduFor Brandeis University, you enter: www.brandeis.eduwww.brandeis.edu A corresponding Internet IP address is substituted (i.e., 129.64.99.138) by a “Domain Name Server”A corresponding Internet IP address is substituted (i.e., 129.64.99.138) by a “Domain Name Server” You could optionally use the IP address to request a pageYou could optionally use the IP address to request a page URL (Uniform Resource Locator)URL (Uniform Resource Locator) Each page within a Web site has its own unique URLEach page within a Web site has its own unique URL The BOLLI Web pages are part of the Brandeis Web site and our “URL” is: www.brandeis.edu/bolli/membersThe BOLLI Web pages are part of the Brandeis Web site and our “URL” is: www.brandeis.edu/bolli/members www.brandeis.edu/bolli/members Format RulesFormat Rules Cannot contain: spaces or special characters except “-”, “_” “/” and “.”Cannot contain: spaces or special characters except “-”, “_” “/” and “.” Must contain a minimum of three parts separated by a period “.”Must contain a minimum of three parts separated by a period “.” Last part must be one of following: com, edu, gov, mil, net, us, ca, il, fr, de, ru, etc.Last part must be one of following: com, edu, gov, mil, net, us, ca, il, fr, de, ru, etc. Web Address Samples (http:// prefix is optional and implicit)Web Address Samples (http:// prefix is optional and implicit) www.heier.uswww.heier.uswww.heier.us Finance.yahoo.comFinance.yahoo.comFinance.yahoo.com www.irs.govwww.irs.govwww.irs.gov www.knesset.gov.ilwww.knesset.gov.ilwww.knesset.gov.il What’s in a Web Address?

21. Major Web Browsers Internet Explorer – “IE” (Microsoft Corp.)Internet Explorer – “IE” (Microsoft Corp.) Netscape Navigator (Netscape Corp.)Netscape Navigator (Netscape Corp.) Firefox (The Mozilla Organization)Firefox (The Mozilla Organization) Opera (Opera Software)Opera (Opera Software) AOL (America Online)AOL (America Online)

22. Internet Explorer

23. AOL

24. And More… Netscape Firefox Opera

25. Major Browser Components Toolbars Sidebar Main Window

26. Important Toolbar Features Prev Pg Next Pg Stop Refresh Home Pg Favorites On/Off History On/Off Email Page Print Page

27. More Toolbar Features Google Search Field Requested Web Page Start Google Search Get Requested Web Page Toolbar Shortcuts

28. Sidebar Palettes Favorites History

30. eBoard & Listserve http://pc101.eboard.com pc101@lists.brandeis.edu http://pc101.eboard.compc101@lists.brandeis.edu http://lists.brandeis.edu/wws/info/pc101