As we move from the world of film, slides, negatives, and prints, we find that we need to digitize.  We digitize by photographing and / or scanning.  Scanning can be a mystery.  Here is a link to a website that does a pretty good job of explaining scanning.  I do take exception to some of what is said...however have not authored a better article so I'll just be appreciative of what Wayne Fulton says.

Remember, be nimble and aware...things are changing fast.

As an instructor I get many different views as my students come and go. And as a subscriber to 20+ photography related newsgroups I obtain knowledge and information from around the world.

Six years ago I saw the digital age slowly coming at us. Polite, patient, proper.

There is confusion and cross talking about what pixels are...and I admit that if you don't understand it can be confusing. Here is my common sense interpretation of pixels:

Newsgroups are a great way to learn. My current count is 40 Yahoo newsgroups. The photography related newsgroups that I belong to at the moment are: