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Operating Systems Concepts - Engineering

Q1:

Indicate which is a pre-emptive scheduling algorithm

A Round-robin

B Shortest-job-next

C Priority-based

D All of the above

E None of the above

ANS:A - Round-robin

Round Robin is the preemptive process scheduling algorithm. Each process is provided a fix time to execute, it is called a quantum. Once a process is executed for a given time period, it is preempted and other process executes for a given time period.