10. Im which of the following locatiots is inform ation most roadily available f
ID: 3727208 • Letter: 1
Question
10. Im which of the following locatiots is inform ation most roadily available for manipalation by the CPUT A. General-purpose regisiers C. Mass storage 11. Which of the following instructions does not fall in the calegory of arithmeticlogc instructions A. ROTATE B ADD 12. Which of the following instructions talls in the csegory of data transfer instructions? A. LOAD B. AND C ROTATE D. JUMP 13. Which of the following is not a component of a machine instruction? A. Op-code BPortC Operand 14. Which of the following components of an operting syslem maintains the directory sysem? A. Device driversB. File manager C. Memory manages 15. Which of the following components of an epenting system handles the details associsted with particular peripheral equipment? A. Device driversB. File manager C. Memory manager 16. Which of the following consponents of an operating system is not part of the kee A. User Interface B. File manager C.Schedule 17. Multitasking in a computer with only one CPU is accomplished by s techmique called A. Bocestrapping B. Batch processing C. Multiprogramming 18. Execution of an operating system is initiated by a program called the C.Boot loader A. Window manager B. Scheduler 19. The end of a time slice is indicted by the occurrence of a signal called C. A kgin A. An interrupe B. A semaphore 20. Which of the following is not an attempt to provide security A.Passwords B. Privilege levels C. Mulitasking 21. Which of the following events is detrimental to an operuting system's performance C. Booting A. Deadlock B Interrupt 22. Which of the following is a technique for controlling access to a critical region? D.Booting A. Spooling B. Time sharing C. Semaphore 23. Which of the following concepts is not associated with critical regions? A. Semaphores B. Mutual exclusion C.BootstrapExplanation / Answer
10. A. From registers, CPU reads very fast.
11. D. JUMP is not an arithmetic/logic instruction
12. A. LOAD
13. B. Port is not an instruction
14. B. File Manager handles the directory structure.
15. A. Device Drivers
16. A. User Interface is not provded by Kernel.
17. C. Running multiple program parallely makes the system multitasked.
18. C. Boot Loaded starts OS.
19. A. Any event is signaled using an interrupt.
20. C. Multitasking has nothing to do with security.
21. A. There shuld be no deadlock in an performing OS.
22. C. Semaphore is a mechanism to control access to critical region.
23. C. Bootstrap has nothing to do with critcial region.
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