The Internet
Welcome to Cyberspace
The Internet and World Wide Web: Welcome to Cyberspace
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The Internet
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A network of networks
Began in 1969 as ARPAnet
(Advanced Research Projects
Agency)
No central authority and thus
impossible to state the precise size
The Internet is not free.
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Different browsers are below:
1. Aw2 Explorer - http://aw2netuk.ho8.com/
2. Internet Explorer 7 http://www.microsoft.com/windows/product…
3. Mozilla Firefox - http://www.mozilla.com/en-US/firefox/
4. Opera - http://www.opera.com/
5. Safari - http://www.apple.com/safari/download/
6. Flock - http://flock.com/
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7. Avant Browser - http://www.avantbrowser.com/
8. Maxthon Browser - http://www.maxthon.com/
9. Deepnet Explorer - http://www.deepnetexplorer.com/
10. PhaseOut - http://www.phaseout.net/home.htm
11. SpaceTime - http://www.spacetime.com/
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Microsoft Internet Explorer
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Menu Bar
 File
 Edit
 View
 Favorites
 Tools
 Help
Address Bar
 URL
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Toolbar
 Back Button
 Forward Button
 Stop
 Refresh
 Home
 Search
 Favorites
 History
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Tool
Bar
Menu
Bar
Status
Bar
Address
Bar
Hyperlink
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Uniform Resource Locator (URL)
http://www.annex.com/southwest/museum.htm
Document
Path (Directory or Folder)
Internet Address (Web site)
Means of access,
HyperText Transfer Protocol
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URL Format
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You can guess at the URL using the
general form: www.company.com
Examples:
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www.microsoft.com
www.nba.com
www.dell.com
www.whitehouse.gov
www.miami.edu
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Examples of URLs
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My school: www.svm.edu
Exploring Windows:
www.prenhall.com/grauer
My favorite site: www.findtoyou.com
Anti-virus updates: www.macafee.com
Download ppt: www.2dix.com
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Top Level Domain Names
.edu
.ca
.gov
.mil
.com
.net
.org
Educational Institution
Country Codes (two letters such as .ca,
.de, .mx, .jp)
Governmental Agency
Military Entity
Commercial Entity
Internet Service Provider
Non-Profit Organization
www.sangamnercollege.org
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Hyperlinks
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Provide text, graphics, sound, or video links
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Blue underlined fonts are explored
www.microsoft.com
www.microsoft.com
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Connecting to the Internet
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At Work or School
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Via a Local Area
Network
At Home
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Traditional Modem
(56KB)
Cable Modem
DSL Modem
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My Connection
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Via the College
network connection
Via Ether card
connected to the
Data Jack via
network cable
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Search Engines
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A program that systematically searches the
Web for documents on a specific topic
Uses a key word or words as a query
Several search engines are available
Each search engine has its own database
No search engine is best
Uses Boolean (logical) operators
Returns “hits” or documents once search has
been submitted
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Suggestions for Searching
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Use the Search button on the Internet
Explorer Toolbar
Try multiple search engines on one query
Be aware of logical operators - AND, OR,
and NOT
Search on a concept: e.g., “first lady in
India” rather than “President Pratibha
Patil”
Set Bookmarks/Favorites
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Search Rules and Techniques
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Specify Boolean operators
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And -- Includes all findings of both key words
Or -- Looks for only one of the specified key words
Not -- Allows you to exclude certain key words
Use multiple search engines
Read online help about search criteria used for
a particular search engine
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Popular Web Search Engines
http://www.altavista.com/
http://www.msn.com/
http://www.go.com/
http://www.excite.com/
http://www.lycos.com
http://www.askjeeves.com/
http://www.webcrawler.com/
http://www.google.com/
http://www.yahoo.com
http://www.search.com/
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E-commerce
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The exchange of goods and services
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Buyer and seller
Products and suppliers
A place to “meet”
Marketing to attract the buyer
Accept and process the order
All of these elements are present in
e-commerce and traditional
commerce
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Advantages of E-commerce
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For the Seller
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Open 24/7
Shoppers from
anywhere
Virtual inventory is
cheaper and
extensive
Lower transaction
costs
Target your
customers
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For the Buyer
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Open 24/7
Never leave home
Easy to view and
explore product
line
Comparison shop
Web site knows
you
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Security and Privacy
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Secure transactions
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Https protocol
Encryption
Privacy
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Cookie is a small file written to your
disk each time you visit a site
Problem is when one site can read
many cookies, e.g., Double Click.com
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Returning to a Previous Site
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Back Button
Forward Button
Favorites List
History List
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HTML
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HTML – HyperText Markup
Language: language for all Web
documents
HTML Codes- Necessary to format
the page
FTP – File Transfer Protocol
ISP – Internet service provider
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Microsoft Word
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Save as Web Page Command
Save as Web
Page
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Pictures
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Save Picture As
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From Web site
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Insert Picture
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In Word
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Summary
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The Internet is a network of networks
Internet Explorer 5.0 Browser
Client Server Model for WWW
URL is located in the Address Box
Hypertext and hypermedia contain links to other documents
Connect through ISP or LAN
Search Engines are the tools to find information
Learn to use keywords for searching
Use multiple search engines
Searches are based on Boolean operators
HTML
Images and information can be downloaded
The Save as command in Microsoft Word
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