CS208 Introduction to Computer Systems Wednesday, 6 March 2024 + Quick notes on... - Final exam - Floating point numbers - A handy technique using C type-casting + Layers of abstraction - Lower than assembly - machine language - computer architecture (digital logic --> data paths) - hardware - Higher than assembly - operating system (e.g. command shells, and the system calls they're based on, like fork/exec/read/...) - applications - networking protocols + A security demo