题目内容

Which of the following events is detrimental to an operating system’s performance?

A. deadlock
B. interrupt
C. booting
D. loading

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Which of the following is a technique for controlling access to a critical region?

A. spooling
B. time-sharing
C. booting
D. semaphore

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Which of the following is not involved in a context switch?

A. interrupt
B. process table
C. dispatcher
D. user interface

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Which of the following is not a role of a typical operating system?

A. Control the allocation of the machine’s resources
B. Control access to the machine
C. Maintain records regarding files stored in mass storage
D. Assist the computer user in the task of processing digital photographs

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Which of the following is a task that is not performed by the kernel of an operating system?

A. schedule process
B. allocate resources
C. communicate with users
D. avoid deadlock

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Which of the following events is detrimental to an operating system’s performance?

A. deadlock B. interrupt C. booting D. loading

Which of the following is a technique for controlling access to a critical region?

Which of the following is not involved in a context switch?

Which of the following is not a role of a typical operating system?

Which of the following is a task that is not performed by the kernel of an operating system?

A. deadlock
B. interrupt
C. booting
D. loading