This article was originally published on 7th March 2006. Surprisingly perhaps, much of it is still relevant today, given its focus on the importance of having an understanding of computer programming concepts and other aspects of computing.
Making assumptions is a dangerous game! It's commonly assumed that new teachers will automatically know all about information technology because they are young (which is in itself an assumption: what about mature students, housewives returning to work, retired bankers looking for a new challenge, and so on?).