We had exactly one successful lecture recording so far this semester---it is linked below. Below it are lecture recordings of lectures from the CS372 course on the relevant topics for Exam 1. CS372 had *much* more focus on CPU scheduling than CS439. It also covered Peterson's Algorithm, which we did not.
Note that some topics for this exam are covered on the sample Exam 2, but some are not covered until the sample Final (included below).
Good news! For this exam, a few of our lectures *were* successfully recorded. Here they are: