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GATE CS - Operating Systems
Practice process management, memory management, file systems, and disk scheduling
100 questions•10 pages•~150 min
Use this quiz track to strengthen recall, speed, and exam-style decision making. Attempt one page first, review explanations, and then re-attempt incorrect questions without notes.
A good scoring strategy is to mark uncertain questions, finish known ones quickly, and return with elimination logic. This improves accuracy while keeping momentum under time constraints.
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Page 7 of 10 • Questions 61-70 of 100
Q61medium
What is the main disadvantage of the shortest job first scheduling algorithm?
Q62medium
What is the purpose of the dirty bit in page tables?
Q63medium
What is the main advantage of the SCAN disk scheduling algorithm over SSTF?
Q64easy
What is the main purpose of semaphores in process synchronization?
Q65medium
What is the main difference between a mutex and a semaphore?
Q66medium
What is the main purpose of the banker's algorithm?
Q67medium
What is the main advantage of indexed file allocation over linked allocation?
Q68medium
What is the main purpose of the working set model?
Q69easy
What is the main difference between internal and external fragmentation?
Q70easy
What is the main purpose of the round-robin scheduling algorithm?
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