If you're in a class/lecture, you should write the notes, not type them. It slows you down such that you're really forced to interact with the content. If you touch type, you're really not ingesting the content as much as if you were writing because it goes in and out so fast.
Anything that you do after taking notes by hand is additive. I personally suggest trying to convert your notes into summaries of key topics or step by step problem solving strategies. It just depends on the type of content. If your exams are more "trivia" based, you need to know intimate details and verbatim notes are better and synthesis will help less. If your exams are more problem solving, then you'll need synthesis more.
If you take anything away from this thread though: hand write notes. I bought an iPad Pro just because of the Pencil and it saved me in my last year of uni because I could hand write without dealing with paper.
Anything that you do after taking notes by hand is additive. I personally suggest trying to convert your notes into summaries of key topics or step by step problem solving strategies. It just depends on the type of content. If your exams are more "trivia" based, you need to know intimate details and verbatim notes are better and synthesis will help less. If your exams are more problem solving, then you'll need synthesis more.
If you take anything away from this thread though: hand write notes. I bought an iPad Pro just because of the Pencil and it saved me in my last year of uni because I could hand write without dealing with paper.