Sp03 midterm 1 - University of California, Berkeley College...

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Page 1/10 University of California, Berkeley College of Engineering Computer Science Division – EECS Spring 2003 Anthony D. Joseph Midterm Exam March 13, 2003 CS162 Operating Systems Your Name: SID AND 162 Login: TA: Discussion Section: General Information: This is a closed book and notes examination. You have two hours to answer as many questions as possible. The number in parentheses at the beginning of each question indicates the number of points given to the question; there are 100 points in all. You should read all of the questions before starting the exam, as some of the questions are substantially more time consuming. Write all of your answers directly on this paper. Make your answers as concise as possible. If there is something in a question that you believe is open to interpretation, then please ask us about it! Good Luck!! Problem Possible Score 1 28 2 21 3 12 4 27 5 12 Total 100
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CS 162 Spring 2003 Midterm Exam March 13, 2003 Page 2/10 1. (28 points total) Short answer questions: a. (9 points) List any THREE major components of most modern operating systems (e.g., Unix , Solaris, WindowsNT, Windows2000, or WindowsXP) and briefly describe their role of each. i) ii) iii) b. (9 points) Give a definition of a counting semaphore, and list and describe the valid operations. c. (4 points) List the conditions for deadlock.
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CS 162 Spring 2003 Midterm Exam March 13, 2003 Page 3/10 d. (6 points) Provide definitions for internal and external fragmentation. Draw a picture show internal fragmentation in a pure paging system (not paged segmentation or segmented paging, but only paging). Draw a picture showing external fragmentation in a pure segmentation system.
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CS 162 Spring 2003 Midterm Exam March 13, 2003 Page 4/10 2. (21 points total) Processor Scheduling. Here is a table of processes and their
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Sp03 midterm 1 - University of California, Berkeley College...

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