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GATE CSE 2021 Set 2 Q24: True statements about CPU scheduling

Question

Which of the following statement(s) is/are correct in the context of CPU scheduling?

Try it: multiple select: one or more correct options

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Select all correct options. No negative marking, no partial marks.
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Answer: A, C, D (official GATE 2021 final answer key)

Concept used: Basic scheduling metrics and mechanisms: turnaround = completion − arrival, RR needs no burst estimates, preemption needs a timer interrupt.

First step: Check B first: is minimizing throughput ever a scheduling goal?

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Source: official GATE 2021 Set 2 CS question paper and final answer key, organised by IIT Bombay. Question paper · Answer key

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