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  3. 1 what is preemption what is its purpose 2 what...

Question: 1 what is preemption what is its purpose 2 what...

Question details

1) What is preemption? What is its purpose?
2) What is swapping? What is its purpose?   
3) Name 5 major activities of an OS with respect to process management. Why is each required?   
4) Why is a mode switch between threads cheaper than a mode switch between processes?
5) List 2 advantages of ULT’s vs KLTs.   
6) List 2 advantages of KLT’s vs ULTs.   
7) List 2 key design issues for an SMP operating system.

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