Do not just type notes. Handwrite them. Research shows handwriting (especially code logic flow) activates different memory centers in the brain than typing. Use a Rocketbook or an iPad with GoodNotes/Notability to keep them searchable.
If you only take one subject seriously this year, make it DSA. This is the most heavily tested subject in technical interviews. second year computer science notes
First year was about learning to code . Second year is about learning to think like a computer scientist . When you debug, don't just look for the syntax error—draw the memory diagram. When you design a system, don't just write classes—write the interfaces first. Do not just type notes
Use tools like Anki for memorizing time complexities or architectural components. How to Take Notes As A Computer Science Student Use a Rocketbook or an iPad with GoodNotes/Notability
Divide your page into three sections: