IT-241: Operating Systems
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Assignment2-Questions.docx|
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Assignment 2
Deadline: Day 13/11/2018 @ 23:59
[Total Mark for this Assignment is 6]
Operating Systems
IT241
College of Computing and Informatics
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Question One
2 Marks
Learning Outcome(s):
LO1
What is swapping? Define the terms "swap out" and "swap in" with a neat diagram. Why is swapping typically not supported in Mobile systems.
Question Two
1 Marks
Learning Outcome(s):
LO2
Briefly explain file system mounting and mount point with a diagram. List the commands to mount file system in LINUX and MAC OS.
Question Three
1 Marks
Learning Outcome(s):
LO2
State the objectives of File allocation strategies. List and compare the different strategies based on their features
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Features |
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Accessibility |
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Speed of access |
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Fragmentation |
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Pointer Overhead |
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Memory utilization |
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Question Four
2 Marks
Learning Outcome(s):
LO2
Demonstrate the LRU page replacement algorithm for the given example.
There are 8 pages and 4 frames. Consider the page referencing string:
" a, b, c, d, c, a, d, b, e, b, a, b, c, d ". Compute the number of page faults and page hits using LRU page replacement algorithm.
