IB Computer Science Year 1 - 13 May 2019 Lesson Notes: Difference between revisions
Mr. MacKenty (talk | contribs) |
Mr. MacKenty (talk | contribs) |
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* I can outline OS resource management techniques: scheduling, policies, multitasking, virtual memory, paging, interrupt, polling. | * 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. | |||
=== SL === | === SL === | ||
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=== HL students === | === HL students === | ||
* | * please break into groups and answer our question of the day | ||
* Please open console.log | * 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 reading a console | ||
** we will learn and practice searching | ** we will learn and practice searching | ||
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* we will learn about process hierarchy | * we will learn about process hierarchy | ||
** | ** parent / child | ||
** we will visualize processes (activity monitor -> view -> all processes hierarchically) | ** 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 update frequency so you can see what your CPU is doing | ||
* we will watch a video: | |||
<html> | |||
<iframe width="560" height="315" src="https://www.youtube.com/embed/QpuFq3-fdhw" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> | |||
</html> | |||
* 5 minute brain break! | |||
* We will explore file i/o from your disk. | |||
** sudo fssudo fs_usage -f filesys | |||
* we now must memorize this table, putting it into our own words: [[Operating Systems management techniques]] | |||
Latest revision as of 09:55, 13 May 2019
Monday May 13 2019 |
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Learning Targets[edit]HL students[edit]
SL[edit]
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Plan for our day[edit]HL students[edit]
SL students[edit]
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Question of the day[edit]How do you manage competition for limited resources? |
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]Our big idea is Resource management
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