Read the revision notes one at a time, with a quick check after each one. Get one wrong and you can look back at the note and try again, then there's a final round of the ones you missed.
Trace Tables
Following and Tracing Pseudocode
Initial Values and Carrying Values Forward
Arithmetic in Algorithms
Input and Output in Trace Tables
Tracing Selection
Tracing FOR Loops
Tracing WHILE Loops
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