16.1 OS Purposes (A Level)

A Level · 0 questions found

What this topic covers

How OS maximises resource use; UI hides hardware complexity from users
Multi-tasking and process states: running, ready, blocked
Scheduling algorithms: round robin, shortest job first, FCFS, shortest remaining time
Kernel as interrupt handler; interrupt handling in low-level scheduling
Virtual memory, paging and segmentation; page replacement; disk thrashing