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College of Computing and Informatics Assignment 2 Deadline: Monday 26/07/2021 @ 23:59 [Total Mark for this Assignment is 6] Student Details: Name: ID: CRN: Instructions: • • • • • • • • • • You must submit two separate copies (one Word file and one PDF file) using the Assignment Template on Blackboard via the allocated folder. These files must not be in compressed format. It is your responsibility to check and make sure that you have uploaded both the correct files. Zero mark will be given if you try to bypass the SafeAssign (e.g., misspell words, remove spaces between words, hide characters, use different character sets or languages other than English or any kind of manipulation). Email submission will not be accepted. You are advised to make your work clear and well-presented. This includes filling your information on the cover page. You must use this template, failing which will result in zero mark. You MUST show all your work, and text must not be converted into an image, unless specified otherwise by the question. Late submission will result in ZERO mark. The work should be your own, copying from students or other resources will result in ZERO mark. Use Times New Roman font for all your answers. Question One Pg. 01 Learning Outcome(s): LO1 Question One Describe the OS Consider the following resource allocation graph and check whether it contains deadlock or not? Justify your answer in detail. mechanism for process management, timing, memory, I/O, file and concurrency management. 2 Marks Question Two Pg. 02 Learning Outcome(s): LO5 Assess the Question Two Consider the following page reference string: 4, 6, 7, 8, 6, 7, 8, 4, 6, 4, 4, 7, 5, 8 performance of the programs through well designed measurements using OS timings features. 3 Marks Assuming demand paging with three frames, how many page faults would occur for the following replacement algorithms? illustrate your work. i. ii. FIFO replacement. LRU replacement. Question Three Pg. 03 Learning Outcome(s): LO1 Describe the OS mechanism for process management, timing, memory, I/O, file and concurrency management. Question Three 1 Marks What is swapping? explain the terms “swap in” and “swap out” with a neat diagram. Explain under which circumstances page faults occur and how they are resolved by the operating system.
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