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20 Cards in this Set
- Front
- Back
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Which of the following components of an operating system maintains the directory system? A. Device drivers B. File manager C. Memory manager |
B. File manager |
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Which of the following components of an operating system handles the details associated with particularperipheral equipment? A. Device drivers B. File manager C. Memory manager |
A. Device drivers |
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Which of the following components of an operating system is not part of the kernel? A. Shell B. File manager C. Scheduler |
A. Shell |
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Multitasking in a computer with only one CPU is accomplished by a technique called A. Bootstrapping B. Batch processing C. Multiprogramming |
C. Multiprogramming |
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Execution of an operating system is initiated by a program called the A. Window manager B. Scheduler C. Bootstrap |
C. Bootstrap |
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The end of a time slice is indicted by the occurrence of a signal called A. An interrupt B. A semaphore C. A login |
A. An interrupt |
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A section of a program that should be executed by at most one process at a time is called a A. Utility B. Critical region C. Privileged instruction |
B. Critical region |
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8. Which of the following is not an attempt to provide security? A. Passwords B. Privilege levels C. Multitasking |
C. Multitasking |
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Which of the following items of information would not be contained in an operating system’s processtable? A. The location of the memory area assigned to the process B. The priority of each process C. Whether the process is ready or waiting D. The machine language instructions being executed by the process |
D. The machine language instructions being executed by the process |
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Which of the following events is detrimental to an operating system’s performance? A. Deadlock B. Interrupt C. Booting |
A. Deadlock |
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Which of the following is a technique for controlling access to a critical region? A. Spooling B. Time sharing C. Semaphore D. Booting |
C. Semaphore |
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Which of the following is not involved in a context switch? A. Interrupt B. Process table C. Dispatcher D. Shell |
D. Shell |
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Which of the following concepts is not associated with critical regions? A. Semaphores B. Mutual exclusion C. Bootstrap |
C. Bootstrap |
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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 |
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. Communicate with the user B. Schedule processes C. Allocate resources D. Avoid deadlock |
A. Communicate with the user |
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Which of the following is not a means of performing multiple activities at the same time? A. Pipeling B. Multiprogramming C. Virtual memory D. Multiple processors |
C. Virtual memory |
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Which of the following components of an operating system is executed as the result of an interruptsignal? A. Dispatcher B. Memory manager C. File manager |
A. Dispatcher |
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Which of the following would be a concern of the file manager in a multi-user computer system thatwould not be a concern in a single-user system? A. Maintain records regarding the location of files B. Maintain records regarding the ownership of files C. Maintain records regarding the size of filesD. None of the above |
B. Maintain records regarding the ownership of files |
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Which of the following would not require real-time processing? A. Typing a document with a word processor B. Navigation of an aircraft C. Forecasting word-wide trade for the next five year period D. Maintaining a airline reservation system |
C. Forecasting word-wide trade for the next five year period |
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Which of the following statements is true? A. Allowing several processes to share time in a multiprogramming system is less efficient than executing each of them to completion one after the other. B. The use of passwords provides an impenetrable safeguard. C. Both A and B D. Neither A not B |
D. Neither A not B |
