From Computer Science Wiki
Monday May 13 2019
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Learning Targets[edit]
HL students[edit]
- I can outline OS resource management techniques: scheduling, policies, multitasking, virtual memory, paging, interrupt, polling.
- I can outline how an operating system hides the complexity of the hardware from users and applications.
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Plan for our day[edit]
HL students[edit]
- please break into groups and answer our question of the day
- Please restart your computer in verbose mode (hold down V key)
- please open console.log
- we will learn and practice reading a console
- we will learn and practice searching
- We will learn and practice looking at processes
- we will learn about process hierarchy
- parent / child
- we will visualize processes (activity monitor -> view -> all processes hierarchically)
- we will update frequency so you can see what your CPU is doing
- We will explore file i/o from your disk.
- sudo fssudo fs_usage -f filesys
SL students[edit]
- Please carefully follow these instructions and email me a link to your section A. Please look at the exemplar, which is very good.
- Please carefully follow these instructions and email me a link to your section B.
- If you are done, please ask a fellow student to look at your work, and assign a grade using the rubric on the above documents.
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Question of the day[edit]
How do you manage competition for limited resources?
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Thing of the day[edit]
A computer starting up. You can see the VERY FIRST instructions being executed by the operating system.
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 Links for todays class[edit]
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