Q. An unsafe state is of course a state that is not

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Q. The circular wait condition can be prevented by defining a linear ordering of

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Q. Deadlock avoidance requires knowledge of future

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Q. No preemption means that a resource is released as

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Q. A signal is a software mechanism that informs a

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Q. A consumable resource is one that can be

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Q. Deadlock prevention strategies are very

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Q. The fastest form of inter process communication provided in UNIX is

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Q. All deadlocks involve conflicting needs for

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Q. Banker's algorithm for resource allocation deals with

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Q. Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and

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Q. What problem is solved by Dijkstra's banker's algorithm?

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Q. A system has 12 magnetic tape drives and 3 processes : P0, P1, and P2. Process P0 requires 10 tape drives, P1 requires 4 and P2 requires 9 tape drives.

Process
P0
P1
P2

Maximum needs (process-wise : P0 through P2 top to bottom)
10
4
9

Currently allocated (process-wise)
5
2
2


Which of the following sequence is a safe sequence ?

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Q. The solution to starvation is :

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Q. If the resources are always preempted from the same process, __________ can occur.

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Q. To _______ to a safe state, the system needs to keep more information about the states of processes.

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Q. If we preempt a resource from a process, the process cannot continue with its normal execution and it must be :

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Q. Cost factors of process termination include :

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Q. The process to be aborted is chosen on the basis of the following factors :

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Q. Those processes should be aborted on occurrence of a deadlock, the termination of which :

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