Operating System Interview Questions For Quick Reference



What is SMP?
A. SMP stands for Symmetric Multi-Processing.
in this mode of operation, any thread or process can be assigned to any processor, thereby enabling maximum reliability and efficiency. Each processor runs an identical copy of the operating system, and can communicate with the other processors as and when needed.

What are Time Sharing Systems?
A. When the CPU switches between multiple jobs in a multi-tasking fashion, it is a time-sharing system.

List some reasons for a process to terminate, besides successful completion.
A. A process could terminate early due to memory unavailability, timeout, protection error, arithmetic error, bounds violation, input-output failure, data misuse.

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