a) What is the difference between preemptive and non-preemptive scheduling? b) What is Aging? Why is it used in an operating system?

a) What is the difference between preemptive and non-preemptive scheduling?

b) What is Aging? Why is it used in an operating system?

From the BCS General Cadre 2017 – 37th BCS Written (BPSC) exam, question 4 of 7.

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