None of the following material (which are all links anyway) will be on your exams.. These links contain material for you to explore after you're done with this course.
Listed below are top-rated software names in each category. Note - there is a 'heavy bias' towards entertainment-oriented applications! The lists are indicative of where commercial CG is going..
If you get a job involving CG programming today, the programs mentioned below will figure in your life one way or another - you might work directly on the programs themselves (eg. at Pixar, Autodesk, etc.) or work at a movie/game studio where you'd write plugins/scripts to extend the programs' functionalities. That's the main point of the list below - these days, you hardly program CG from scratch!