Overview of how the Internet works

Here is a nice basic intro to how the Internet works. The presenter, Marti Hearst, is a professor at Cal Berkeley. The material should be suitable for high schoolers. The slides are also available http://www2.sims.berkeley.edu/courses/is141/f05/lectures/se-course-intro.pdf

http://webcast.berkeley.edu:8080/ramgen/bibs/f2005/group3/sims141/20050829.rm?start=&end=