Operating System (OS)
First-in-First-Out (FIFO) scheduling is

Deadline Scheduling
Preemptive Scheduling
Non Preemptive Scheduling
Fair Share Scheduling

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

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

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