Q. If a process is executing in its critical section, then no other processes can be executing in their critical section. This condition is called

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Q. Which one of the following is a synchronization tool?

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Q. A semaphore is a shared integer variable

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Q. Mutual exclusion can be provided by the

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Q. When high priority task is indirectly preempted by medium priority task effectively inverting the relative priority of the two tasks, the scenario is called

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Q. Process synchronization can be done on

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Q. A monitor is a module that encapsulates

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Q. To enable a process to wait within the monitor,

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Q. Restricting the child process to a subset of the parent’s resources prevents any process from :

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Q. A parent process calling _____ system call will be suspended until children processes terminate.

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Q. Cascading termination refers to termination of all child processes before the parent terminates ______.

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Q. With ……………. only one process can execute at a time; meanwhile all other process are waiting for the processor. With ………….. more than one process can be running simultaneously each on a different processor.

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Q. In UNIX, each process is identified by its :

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Q. In UNIX, the return value for the fork system call is _____ for the child process and _____ for the parent process.

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Q. The child process can :

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Q. The child process completes execution,but the parent keeps executing, then the child process is known as :

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Q. Inter process communication :

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Q. Messages sent by a process :

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Q. The link between two processes P and Q to send and receive messages is called :

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Q. Which of the following are TRUE for direct communication :

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