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Chapter 3. Operating Systems Multiple Choice Questions 1. Which of the following components of an operating system maintains the directory system? A. Device drivers B. File manager C. Memory manager ANSWER: B 2. Which of the following components of an operating system handles the details associated with particular peripheral equipment? A. Device drivers B. File manager C. Memory manager ANSWER: A 3. Which of the following components of an operating system is not part of the kernel? A. Shell B. File manager C. Scheduler ANSWER: A 4. Multitasking in a computer with only one CPU is accomplished by a technique called . A. Bootstrapping B. Batch processing C. Multiprogramming ANSWER: C 5. Execution of an operating system is initiated by a program called the . A. Window manager B. Scheduler C. Bootstrap ANSWER: C 6. The end of a time slice is indicted by the occurrence of a signal called . A. An interrupt B. A semaphore C. A login ANSWER: A 7. A set of instructions that should be executed by only one process at a time is called . A. Utility B. Critical region C. Privileged instruction ANSWER: B 8. Which of the following is not an attempt to provide security? A. Passwords B. Privilege instructions C. Multitasking ANSWER: C 9. Which of the following events is harmful to an operating system’s performance? A. Deadlock B. Interrupt C. Booting ANSWER: A 10. Which of the following is a technique for controlling access to a critical region? A. Spooling B. Time sharing C. Semaphore D. Booting ANSWER: C 11. Which of the following is not involved in a process switch? A. Interrupt B. Process table C. Dispatcher D. Shell ANSWER: D 12. 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 ANSWER: A 13. Which of the following components of an operating system is executed to handle an interrupt signal?