Lecture 1: Higher Computing - Richard Buckland UNSW 2008 (starts in earnest after 5 mins)

This is an entire course available online, well worth looking at if you have an interest in programming. The rest of the courses can be found here: http://www.youtube.com/watch?v=hE7l6Adoiiw&feature=edu&list=PL6B940F08B9773B9F