2. Internet Fundamentals
Introduction
– The World Wide Web
– The Internet
Using a Web Browser
– Netscape Navigator
Finding Information on the Web
(Using Effective Search Strategies)
– Directories
– Search Engines
3. World Wide Web (WWW)
An Introduction
– a vast collection of information
that’s connected like a web
– accessible through the Internet using
connections called hyperlinks
– view the WWW resources through a
program called a Web Browser, such as:
Netscape Navigator
Internet Explorer
4. World Wide Web
(WWW)
– Navigate through the WWW by
pointing to and clicking on
hyperlinks (underlined or boldfaced
words, phrases, icons, or images)
– Also called Cyberspace or the
Information Superhighway
5. Often confused…...
URL or Email Address?
URL - Uniform Resource Locator or
Web Address
Example:
http://www.weather.com
Used by Browsers to locate sites
Often confused with Email addresses
johndoe@netscape.net
6. Entering a URL
http://netscape.com
Location Box
Enter URL’s here
(or Web Address)
http://netscape.com
6
MDCC Faculty Training - 10/5/99
7. Sample URL’s
(or Internet Addresses)
Internet Address or URL Global Domains
http://www.angelfire.com commercial site
http://www.msstate.edu educational inst.
http://www.intop.net network organiz.
http://www.navy.mil military
http://www.____.org not for profit org.
http://www.____.gov gov. agency,dept.
8. Web Pages
Web Pages - documents on the WWW
Written and constructed using HTML
HTML - Hyper Text Markup Language
– a special language <html>
or code used to <head>
<title>MBJ ONLINE</title>
design and publish <base
href="http://www.msbusiness.co
documents on the m/">
Web </head>
9. The Internet
An information system
Communication tool
A large network of computer systems
world wide
can be explored by using a Web Browser
Services available through the Internet:
Email (Discussion groups,Chat Rooms, etc.)
Information search (including research)
Education (Online courses; virtual colleges)
Entertainment, News, and more…...
11. Web Browsers
Software programs used to
access the World Wide Web Netscape
Navigator
Two most popular
web browsers:
Microsoft Internet Explorer
Netscape Navigator
Similar with slight differences
12. Internet Fundamentals
Using a Web Browser
Starting and stopping the Browser
The Web Browser’s window
Getting around a “page” and the WWW
Saving, printing, and mailing items from
the WWW
Bookmarks - Keeping
track of favorite sites
Setting preferences
and options
14. Internet Fundamentals
Searching the Web
Guessing Domain Names such as:
ibm.com or weather.com
maps.com or abcnews.com
Performing Keyword Searches
Using Search Engines
– Single keyword search (such as tennis)
– More exact search results (using 2 or more
words, or even a phrase such as women’s
tennis)
continued...
15. Internet Fundamentals
Searching the Web
Complex Search
– contains several words, but uses operators such
as AND, OR, NOT, and “phrases in quotation
marks”
Examples:
– stock AND quotes
– “stock quotes”
– orange NOT county
– Web OR Internet
Be Patient and Persistent!
16. Internet Fundamentals
Search Engines
What is a Search Engine ?
program that connects you
to a data base or Web address
used to perform a thorough search
Some Popular Search Engines
Alta Vista, Excite, Hotbot, Lycos, InforSeek, etc.
Random Browsing (takes too much time)
Mark Favorite Sites (bookmark the sites)
Use several Search Engines for a thorough
search
17. Internet Fundamentals
Some Favorite Search Engines
Alta Vista
(http://www.altavista.digital.com)
Characteristic: returns links to first 10 web
sites it finds that match your keyword(s)
and up to 19 additional pages of sites
Exite (http://www.excite.com)
will return a page with links to the first
10 sites it found that match you keyword(s)
Hotbot (http://www.hotbot.com)
18. Internet Fundamentals
Search Engines, continued
Advice: Make bookmarks for Search Engine Sites
Search Engine Web Address (or URL)
Alta Vista http://www.altavista.digital.com
Excite http://www.excite.com
HotBot http://www.hotbot.com
InfoSeek http://www.infoseek.com
Lycos http://www.lycos.com
WebCrawler http://www.webcrawler.com
19. Internet Fundamentals
Search Engine or Directory?
What’s the difference?
Search Engine - allows you to collect
and then browse information from more
sources (Excite, AltaVista, InfoSeek, etc.)
Directory - generally doesn’t include
every single web page or resource.
Organizes resources of web pages by
categories. (Yahoo!)
20. Internet Fundamentals
Some Favorite Directories
Directory Name Web Address (URL)
Yahoo! (favorite) http://www.yahoo.com
Magellan http://www.mckinley.com
Point http://www.pointcom.com
21. Internet Fundamentals
Built-In Search Pages
Netscape and Internet Explorer
have 2 built-in search pages
– Netscape or Explorer Icon (upper right)
– Search Button (or Icon) on Tool Bar (at top)
Easiest way to
perform a search N
(for beginners especially)
22. Internet Fundamentals
Meta-Search tools
Multi-Search Engines
– Searches 5 or 6 engines at once
– prefer this type of search engine
(personally)
Recommended Multi-Search Engines
MetaCrawler http://www.metacrawler.com
Ask Jeeves http://www.askjeeves.com
DogPile http://www.dogpile.com
23. Internet Fundamentals
Finding People & Businesses
Looking for Email Addresses
Looking for home or business
addresses or phone numbers
Sites specializing in Email Addresses:
Four11 http://www.four11.com
WhoWhere http://www.whowhere.com
24. Internet Fundamentals
Using a Web Browser
Start your Web Browser
Double-click on your Browser icon
on your Desktop.
Netscape Communicator.lnk
