Assuming you are referring to college level courses, some popular technical electives for students interested in low-level programming include Assembly Language Programming, Introduction to Computing Systems, and Computer Organization. While these courses are not required for all students, they can be very beneficial for those interested in learning more about how computers work on a more technical level. If you are looking for more generalElectives, some popular choices include Discrete Mathematics, Probability and Statistics, and Linear Algebra. These courses can help students develop important problem solving and mathematical skills that can be useful in all areas of computing.