Q. A fork system call will fail if :

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Q. If a thread invokes the exec system call,

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Q. If exec is called immediately after forking,

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Q. If a process does not call exec after forking,

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Q. Thread cancellation is :

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Q. When a web page is loading, and the user presses a button on the browser to stop loading the page :

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Q. When one thread immediately terminates the target thread, it is called :

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Q. When the target thread periodically checks if it should terminate and terminates itself in an orderly manner, it is called :

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Q. Cancelling a thread asynchronously :

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Q. Cancellation point is the point where :

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Q. If multiple threads are concurrently searching through a database and one thread returns the result then the remaining threads must be :

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Q. Signals that occur at the same time, are presented to the process :

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Q. Which of the following is not TRUE :

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Q. Signals of a given type :

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Q. The three ways in which a process responds to a signal are :

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Q. Signals are identified by :

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Q. When a process blocks the receipt of certain signals :

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Q. The _______ maintains pending and blocked bit vectors in context of each process.

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Q. In UNIX, the set of masked signals can be set or cleared using the ________ function.

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Q. The usefulness of signals as a general inter process communication mechanism is limited because :

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