Practice Execute Phase (23.2.3) - Introduction to Interrupt - Computer Organisation and Architecture

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6 sample questions

Question 1.
What does the program counter (PC) do during the execute phase?
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Think about what keeps instruction order intact.
Question 2.
What is the purpose of an Interrupt Service Routine (ISR)?
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Consider what happens when the CPU receives signals.
3Question 3.
What is an interrupt?
- A smooth operational phase
- A hardware signal needing attention
- An instruction fetch
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Think about what happens when the CPU has to respond to external events.
4Question 4.
True or False: The Program Counter is used to track the address of the currently executing instruction.
- True
- False
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Consider its role in the execution sequence.
Question 5.
Illustrate the steps the CPU takes when handling an interrupt during a long instruction sequence. Include the role of the stack.
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Focus on sequential order and importance of saving state.
Question 6.
Discuss how effective interrupt handling can enhance system performance and user experience.
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Consider the impact of delays on user satisfaction.

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