Pick a module. Each quiz shuffles every round. Use Exit module anytime to return here.
What an OS is, major functions, types of OS, multiprocessors, clusters, and computing environments (including cloud and real-time).
User vs system services, system calls and APIs, system programs, linkers/loaders, OS structure, policy vs mechanism, debugging.
Program vs process, memory layout, states, PCB, threads, scheduling queues, context switch, creation and PIDs.