Yes, these are all upper-division courses, at least in the context of American higher education. You may be better off looking into inexpensive options for com

Yes, these are all upper-division courses, at least in the context of American higher education. You may be better off looking into inexpensive options for completing a bachelor’s degree in computer science, such as online education, and seeing if you could test out of some of the intro-level CS courses. Unfortunately I don’t know if any specific programs off hand.