Q. For effective operating system, when to check for deadlock?

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Q. A problem encountered in multitasking when a process is perpetually denied necessary resources is called

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Q. Which one of the following is a visual ( mathematical ) way to determine the deadlock occurrence?

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Q. To avoid deadlock

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Q. The number of resources requested by a process :

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Q. The request and release of resources are ___________

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Q. Multithreaded programs are :

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Q. For a deadlock to arise, which of the following conditions must hold simultaneously ?

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Q. For Mutual exclusion to prevail in the system :

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Q. For a Hold and wait condition to prevail :

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Q. Deadlock prevention is a set of methods :

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Q. For non sharable resources like a printer, mutual exclusion :

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Q. For sharable resources, mutual exclusion :

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Q. To ensure that the hold and wait condition never occurs in the system, it must be ensured that :

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Q. The disadvantage of a process being allocated all its resources before beginning its execution is :

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Q. To ensure no preemption, if a process is holding some resources and requests another resource that cannot be immediately allocated to it :

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Q. One way to ensure that the circular wait condition never holds is to :

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Q. Each request requires that the system consider the _____________ to decide whether the current request can be satisfied or must wait to avoid a future possible deadlock.

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Q. Given a priori information about the ________ number of resources of each type that maybe requested for each process, it is possible to construct an algorithm that ensures that the system will never enter a deadlock state.

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Q. A deadlock avoidance algorithm dynamically examines the __________ to ensure that a circular wait condition can never exist.

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