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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.
Progress: 0 / 1000%
Page 4 of 10 • Questions 31-40 of 100
Q31easy
What is the difference between binary semaphore and counting semaphore?
Q32medium
Which disk scheduling algorithm provides uniform waiting time?
Q33easy
What happens during a context switch?
Q34medium
In a system using segmentation, what information is stored in the segment table?
Q35easy
What is the main advantage of using virtual memory?
Q36medium
Which condition must be broken to prevent deadlock?
Q37hard
What is the effective access time with TLB hit ratio 80%, TLB access time 1ns, memory access time 100ns?
Q38easy
What is the main difference between preemptive and non-preemptive scheduling?
Q39easy
In a directory structure, what is an absolute path?
Q40medium
What is the purpose of the dirty bit (modify bit) in page tables?
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