Final2014Winter - April 2014 Final Examination OPERATING...

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Final Exam - ECSE 427/COMP 310 (Winter 2014) Page 1 of 9 April 2014 Final Examination OPERATING SYSTEMS ECSE 427/COMP 310 - SECTION 01 TUESDAY, APRIL 22, 2014, 9:00 AM Examiner: Assoc Examiner: Student Name: McGill ID: INSTRUCTIONS: This is a CLOSED BOOK examination. SPACE IS PROVIDED on the examination to answer Qs # 1-20 (Part I) & #1-5 (Part II). You are permitted TRANSLATION dictionaries ONLY. NO CRIB SHEET permitted. STANDARD CALCULATOR permitted ONLY. This examination is PRINTED ON BOTH SIDES of the paper. This examination MUST BE RETURNED. This exam includes 9 PAGES (including the cover page) and has 25 QUESTIONS .
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Final Exam - ECSE 427/COMP 310 (Winter 2014) Page 2 of 9 Part I – Short Answers . Your answers should be up to the point. Provide the answers in the allotted space. Answer all questions . Each question is worth 2.5 points . 1. When a process is active in an operating system like Unix/Linux, the memory address space is split into the following two types: ____________________ and __________________. 2. Briefly explain the different between data and bss segments. __________________________________________________________________________ __________________________________________________________________________ 3. Soon after creating a child using a fork() system call a parent process is doing what? Hint: does it run or wait? Briefly explain. __________________________________________________________________________ __________________________________________________________________________ 4. What are the possible states of a process that just executed a lock() statement on a semaphore?
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