Operating System Interview Questions



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What is a Real-Time System?

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What is a Safe State and what is its use in deadlock avoidance?

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What is cache memory?

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What is Context Switch?

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What is CPU Scheduler?

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What is Dispatcher?

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What is DRAM? In which form does it store data?

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What is fragmentation? Different types of fragmentation?

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What is hard disk and what is its purpose?

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What is multi tasking, multi programming, multi threading?

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What is the cause of thrashing? How does the system detect thrashing? Once it detects thrashing, what can the system do to eliminate this problem?

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What is the difference between Hard and Soft real-time systems?

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What is the important aspect of a real-time system or Mission Critical Systems?

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What is the state of the processor, when a process is waiting for some event to occur?

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What is Throughput, Turnaround time, waiting time and Response time?

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