Practice Handling Interrupts During Execution (26.8.2) - Lecture – 34 - Computer Organisation and Architecture

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6 sample questions

Question 1.
What is an interrupt?
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Think about how devices communicate with the CPU.
Question 2.
Define busy waiting.
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Consider what happens when the CPU keeps asking if I/O is complete.
3Question 3.
What is the primary benefit of interrupt driven I/O?
- Busy Waiting
- Increases CPU Efficiency
- More I/O Devices
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Consider how CPU utilization can improve.
4Question 4.
True or False: In interrupt driven I/O, the CPU waits actively for devices to be ready.
- True
- False
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Think about how the CPU behaves compared to programmed I/O.
Question 5.
Describe how the implementation of interrupt driven I/O radically changes the efficiency of computing systems compared to programmed I/O.
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Consider operational flow.
Question 6.
In complex systems, schedulers manage multiple interrupts. Discuss the trade-offs between hardware and software handling of interrupts.
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Think about control flow.

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