(Answered) 1 what is preemption what is its purpose2 what is

Engineering

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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