What Is an Operating System? An operating system (OS) is the fundamental software that acts as the brain of your computer. It's the master program that orchestrates all the computer's operations, ...

IB DP Computer Science A1.3.1–A1.3.2 Operating Systems lesson and worksheet for the new 2027 syllabus. Covers the role and key functions of operating systems. IB Computer Science 2027 – A1.3.1–A1.3.2 ...