Practice Saving Processor Context (26.7.1) - Lecture – 34 - Computer Organisation and Architecture

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9 questions

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6 sample questions

Question 1.
What is an interrupt in a computer system?
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Hint: Think about when the computer needs to pay attention to an external event, like clicking a mouse.
Question 2.
What does the program counter do?
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Hint: Remember it as the guide for which instruction to fetch next.
3Question 3.
What is the purpose of an interrupt?
- To stop CPU processing
- To indicate a high-priority process needs attention
- To signal a hardware fault
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Think about when your device alerts you about an important task.
4Question 4.
True or False: The PSW does not need to be saved during an interrupt.
- True
- False
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Remember the role of PSW in maintaining computation state.
Question 5.
Explain how modern operating systems manage context switching with competing processes.
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Consider how scheduling policies affect context management.
Question 6.
Design a simple state machine to represent the context switching of an I/O interrupt. What states would you include?
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Think about the sequence of steps taken by the CPU during an interrupt.

5 more questions in this section. Enroll free to practise them all.