1. copyright Jim Martin 20071 The Internet Dr. Jim Martin jim.martin@cs.clemson.edu

2. copyright Jim Martin 20072 Basics Internet Access Network (Internet Service Provider or ISP) SouthsideHighSchoolClemson Dialup connection This is us!!! We connect to Clemson’s network using an Ethernet LAN www.cs.clemson.edu 117A Server Room 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)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.

3. copyright Jim Martin 20073 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

4. copyright Jim Martin 20074 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?

5. copyright Jim Martin 20075 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) ?