Midterm Spring 2007

Midterm Spring 2007 - Midterm Spring 2007 Name:_ _ Question...

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Midterm Spring 2007 Name:_______________________________________________________________ _ Question Max. Current True/False 10 pts. Short Questions 1-5 15 pts. Short Questions 6-10 15 pts. 11, 5 pts. 12. 5 pts. 13. 10 pts. 14. 15 pts. 15. 10 pts 16. 15 pts Total:
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Answer True/False (T/F) (1 point each) ____ A shared library used by a program increases the size of the executable file. ____ The loader is also called runtime-linker. ____ Most of the CPU bursts finish before a quantum expires. ____ Poling is also called Asynchronous Processing. ____ There is only one stack in a process. ____ The Interrupt vector can be modified in user mode. ____ In preemptive scheduling a context switching happens only when the process goes to waiting state or yields the CPU. ____ It is possible to create a deadlock with a single mutex_lock. ____ Interrupt handlers run in kernel mode. ____ A semaphore initialized with 0 can be used to instead of a mutex. Part 2. Short questions. 1. (3 pts) Explain the difference between kernel and user mode. 2. (3 pts.) Enumerate the steps of servicing an interrupt. 3. (3 pts.) Explain how Multi-Level Feedback-Queue Scheduling works. 4. (3 pts.) Explain what the "truss" command is used for.
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Midterm Spring 2007 - Midterm Spring 2007 Name:_ _ Question...

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