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copyright Jim Martin 2007 2
Basics
InternetInternet Access NetworkAccess Network(Internet Service (Internet Service Provider or ISP)Provider or ISP)
SouthsideSouthsideHigh High SchoolSchool
ClemsonClemson
Dialup connection
This is us!!! We connect to Clemson’s network using an Ethernet LAN
www.cs.clemson.edu
117A117A
Server Server RoomRoom
www.usatoday.com
•Machines communicate over a network•Machines on the network are called hosts•Two types of hosts: clients (us) or servers (www.cs.clemson.edu)•The Internet is a bunch of individual networks that can talk to each other.
•A host connected to the Internet can communicate with any other host also connected on the Internet.
copyright Jim Martin 2007 3
Internet applications/programs World Wide Web : Most people think of the
Internet as web browsing. This is the most used application.
Web Browsers: Internet Explorer, Mozilla, Netscape and Firefox
eMail: Communicate with people FTP and sFTP : File transfer protocol and secure
FTP Music and Video sharing : P2P programs like Kaza AIM : America Online’s Instant Messanger Video : Microsoft’s Windows Media Player
InternetTV
copyright Jim Martin 2007 4
Exercises (hint: try www.google.com)
Use the Internet to answer the following questions: What is the weather forecast for this
evening in Washington DC ?
Who was the 5’th president of the United States?
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Discussion Questions Who invented the Internet? Who runs the Internet? Can I have my own web site? What’s the difference between me
operating my own web site and a service provider ‘hosting’ my web site?
Why is it illegal to some things on the Internet (like copies of DVDs) ?
