Photography Lessons: How To Use A Camera

Here's an informative site that teaches you to use a camera's features.

http://dryreading.com/camera/index.html

Instead of simply describing the camera's exposure modes (like Auto, Program, Aperture, Shutter & Manual); exposure compensation; ISO and illumination levels; this site also lets you demo these features on your screen and watch the test photo change in front of you. A really user friendly learning tool that accurately showcases the basic features of a good P&S or SLR camera.

And here's another one, for SLRs and manual P&Ss:

http://camerasim.com/camera-simulator.htm

Photography Lessons: How To Use A Camera