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22 lines
422 B
Markdown
22 lines
422 B
Markdown
---
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title: "13-OS-intro"
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aliases:
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tags:
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- cosc204
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- lecture
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---
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# why learn OS
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- security
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- optimisation
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- wierd bugs
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- "crown of programming"
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- understand hardware better
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- embedded sys and IoT
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- co-design of hardware and software
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# what is an OS
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- a program (also called OS kernel) loaded onto RAM first when pc is turned on
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- OS kernel (in kernel space) |