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25-Comp-A5 Operating Systems: May 2018

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Critical Section, Monitors, Real-Time Systems
  2. Question 2 CPU Scheduling
  3. Question 3 Locality of Reference, Thrashing, and Working Sets
  4. Question 4 Deadlocks and Disk Scheduling
  5. Question 5 Demand Paging and Page Reference Strings
  6. Question 6 File Systems — Access Control and Allocation Performance
  7. Question 7 Protection, Address Translation, and Scheduling Trade-offs

Start with Question 1 →

17-COMP A-5 Operating Systems — National Examinations, May 2018. 3 hours, closed book (one approved pocket calculator only). Candidates were instructed to answer any five of the seven questions; all seven are answered below as a complete study resource.

Reference texts: Silberschatz, Galvin & Gagne, Operating System Concepts (10th ed.) — process synchronization/monitors (ch. 6–7), CPU scheduling (ch. 5), deadlocks (ch. 8), memory management/paging (ch. 9–10), mass-storage/file-system implementation and disk scheduling (ch. 11–12), protection (ch. 14); Tanenbaum, Modern Operating Systems (5th ed.), corroborating chapters on synchronization, scheduling, memory and file systems.