Hook

Their other posts in the index, biggest breakout first.
These were the top three hardest classes for me. Was a computer science student. Number three was computer organization. This was a code in assembly. Assembly is the lowest level language before it's pure binary. Assembly is also processor specific, so no reading the assembly docs or anything like that, where that would be common for other languages. Specifically for the class my professor taught, you were supposed to have an assigned lab partner for the semester, but my lab partners kept dropping the class, so I did the majority of the labs on my own. Number two was quantum computing. Before all the AI hype, we had quantum computing as the name suggests, deal with quantum physics and mechanics through the means of computing. Here are some of the proofs I had to do. But the hardest class, at least for me, was operating systems and internals. But what were the hardest classes for you during your time in college? Let me know down in the comments.