Operating System (OS)
The strategy of allowing processes that are logically runnable to be temporarily suspended is called

shortest job first
preemptive scheduling
first come first served
non preemptive scheduling
None of these

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Operating System (OS)
The necessary conditions needed before deadlock can occur?

Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait

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