1. Agenda Last class: Software Lab Today: More Computer Software –Web Browsers –Searching the Internet

2. The World Wide Web (www) Use a WEB BROWSER to move around –Internet Explorer Microsoft, most users, low security –Firefox –Google Chrome –Macs: Safari, Opera

3. Web Pages Home Page = where you start Each web page has a unique address –URL = Uniform Resource Locator –http://www.aaa.bbb/ccc/ddd.htmlhttp://www.aaa.bbb/ccc/ddd.html –Subdomain.domain.TLD –Link name to ip address –DNS server, like phone phone link name with phone number

4. How to move around Click on hyperlinks or linkshyperlinkslinks Use Forward or Back buttons History – list of all previous web pages Bookmarks or favorites Refresh – load page again

5. Internet Search The Internet is very big – how can you find what you want?

6. Internet Search Use a search engine –Google, Yahoo, MSN Search –Baidu How do they work? –Match keywords –Sort by relevance –Sort by popularity –Sort by money

7. Search Tips Spell it right! Use “…” for phrases“hockey stick” Order the words –“Whistler ski resort” vs “ski resort Whistler” Use AND, +, OR, - –“Steve” + jobs, -irwin Use wildcards * or ? –Dance* will let you find dances, dancer, dancewear, dance class, dance ANYTHING

8. Journal Compare 10 features of any two internet browsers. Assignment name: Features of internet browsers. Due By Monday Submit electronically http://172.16.31.80/http://172.16.31.80/ in school or http://usmanscience.comhttp://usmanscience.com out of school