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

Deadline Scheduling
Fair Share Scheduling
Preemptive Scheduling
Non Preemptive Scheduling

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Operating System (OS)
What is dispatch latency ?

The whole time taken by all processor
The time taken by the processor to write a file into disk
None of the listed here
The time taken by the dispatcher to stop one process and start another

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