Spring 2000 - Spring 2000 Final Exam Name: Part 1. Answer...

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Spring 2000 Final Exam Name: Part 1. Answer True/False (T/F) (1 point each) ____1. The threads in a process share the same stack. ____2. The page-table register is part of the CPU. ____3. During starvation, threads will never be able to proceed. ____4. In segment-swap entire processes are swapped in and out from disk. ____5. Multi-level page tables save more space that single-level page tables. ____6. The page-table register is updated every time there is a context switch from one thread to another. ____7. Page sizes are always a power of two. ____8. In demand paging a virtual address is divided into page number and page offset. ____9. There is one page table for each thread in a process. ____10. A physical page that is replaced is always written back to the backing store. ____11. Having multiple threads increases the reliability of a program compared to having multiple processes. ____12. ELF is an executable format used on Windows. ____13. truss is a UNIX command to show the number of users in the system. ____14. The text section of a program is memory mapped readable and executable. ____15. System calls and interrupts run in user mode. ____16. Most of the processes in a computer are in ready state. ____17. The first step in an interrupt rpoutine is to save the registers of the processes. ____18. The last step in an interrupt routine is to retry the offending instruction. ____19. There is at most one running process in the computer. ____20. Most of the CPU time is spent in user mode. ____21. A program in user mode is able to call functions and modify memory. ____22. Shared libraries run in user mode. ____23. A small time quantum will cause a program to take more time. ____24. The arguments of a system call are checked in user space. ____25. In preemptive scheduling a process takes higher priority until completion.
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This note was uploaded on 01/30/2012 for the course CS 252 taught by Professor Gustavorodriguez during the Fall '11 term at Purdue University-West Lafayette.

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Spring 2000 - Spring 2000 Final Exam Name: Part 1. Answer...

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