Gate2017 ss Q37

37A system shares 9 tape drives. The current allocation and maximum requirement of tape drives for three processes are shown below:

Which of the following best describes current state of the system ?

Option : B
Explanation :
PID Current allocation Max Need Available Needed
P1 3 3 2 0
P2 1 6 - 5
P3 3 5 - 2

Hence, system is in safe state , because P1 and P3 anyone can execute first and after them P2 can be executed, no deadlocked option B is correct.

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