Stanford has put the course materials including videos of the lectures, for their first introductory computer science course, Programming Methodology, online. You will also have access to handouts, assignments, etc from the course. It's a good way to learn programming principles and get some practice with the assignments.

Optical zoom works much like the zoom lens on a 35 mm film camera. It changes the length of your camera’s lens and draws the subject closer to you. The optical zoom keeps the quality of the picture. Digital zoom works differently. It simply takes the picture and crops it then enlarges the part that is left. It causes the quality of the photo to be reduced, sometimes greatly.

All cameras come with an owners manual, but so few people take the time to read it. Once they get past the basic operations, they get anxious to go out and try the camera. Maybe all the new terms are confusing or there seems like too much information to digest. This is understandable, but by not reading the entire manual, you limit yourself and many cool features of your camera are never used. Hopefully you will find the following suggestions helpful in getting the most from your digital camera.