Notetaking is something that is different to every person. You could adopt two and combine or you can stick to one certain kind. The important thing is that you engage with the notes and you learn something. The physical notes are create if you do not have a iPad or Computer. However electronic notes can be available anywhere but you risk loosing them if you don't save them correctly.
Type of Note Taking Styles
Cornell Notes
Mind Mapping Notes
Slide Writing Notes
Outline Method