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An edge from process Pi to Pj in a wait for graph indicates that ____________

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An edge from process Pi to Pj in a wait for graph indicates that ____________

(a) Pi is waiting for Pj to release a resource that Pi needs

(b) Pj is waiting for Pi to release a resource that Pj needs

(c) Pi is waiting for Pj to leave the system

(d) Pj is waiting for Pi to leave the system

I had been asked this question in an interview.

Enquiry is from Deadlock Detection in division Deadlocks of Operating System

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Best answer
Right choice is (a) Pi is waiting for Pj to release a resource that Pi needs

The best explanation: None.

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