GATE CSE 2024 Session 1 Q25: Impossible process state transitions

Which of the following process state transitions is/are NOT possible?

Try it: multiple select: one or more correct options

Select all correct options. No negative marking, no partial marks.

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Answer: B, C (official GATE 2024 final answer key)

Concept used: The process state diagram: only the running process can block, and a woken process goes to ready.

First step: Draw the five-state diagram and check each transition against its arrows.

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Source: official GATE 2024 Session 1 CS question paper and final answer key, organised by IISc Bangalore. Question paper · Answer key