OCR H446 · Component 01 · Computer systems
1.2.1 Operating systems
Operating system functions, OS types, memory management, virtual memory, scheduling, interrupts, BIOS, drivers, and virtual machines.
What to revise
Practise operating systems.
Start with these questions from the operating systems topic pack. In the workspace, explain each idea from memory, compare your reasoning with the feedback, then revisit the concepts that need practice.
Use the pack alongside your OCR H446 computer systems revision. Your self-reported confidence helps plan the next review; it is not an exam mark or predicted grade.
- How do paging and segmentation divide a process in memory?Compare
- All processes arrive at time 0 in queue order P,Q,R. CPU bursts are 5,2,1 units. Trace round robin with quantum 2, no overhead or blocking.Trace
- Distinguish FCFS, SJF, SRT and multilevel feedback queues.Compare
- What is an operating system?Operating Systems
- What are common operating system functions?Operating Systems
- What is a multitasking operating system?OS Types
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