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FinalOS - Oklahoma State University May 4 2009 Final Exam...

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Oklahoma State University May 4, 2009 Final Exam Course: cs4323 Design and Implementation of Operating Systems I Instructor: Michel Toulouse Student Name (print): Signature: Student ID: Instructions : This is an open book, open lecture notes exam. No calculator or cell phone can be used during the exam. After each question, blank space is available to write your answer. If you need extra space, the last page has been left blank, you can use it. Answer all the questions. Don’t forget to print your full name and your student ID (do not write your SSN) and to sign on this first page. You have 2 hours. On question you’ve got out of 1 2 2 5 3 4 4 3 5 3 6 6 7 3 8 4 30 1
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Question 1 Answer with a single term or short answer, as appropriate. (a) Which bit does the operating system use for approximating LRU replacement? (b) Does a TLB miss always/sometimes/never result in a pagein from disk? (c) What kind of pages in a process virtual address space are usually protected as Read Only?
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