Yes, my CS program of 40 years ago had 4 parts. Sorted by decreasing abstraction level:

Math, physics, statistics

Theoretical CS, the one in my original comment

OS, compilers, networking, computer vision, transmission codes

Computer languages and having to write actual programs, how transistors work up to logical gates, adders, CPUs and machine language

Of course the separations are not clear cut: we had relational algebra and SQL commands in the same course.