Practice Handling Interrupts (23.1.2) - Introduction to Interrupt - Computer Organisation and Architecture - Vol 1

Practice: Handling Interrupts

Lesson 23.1.2Introduction to Interrupt

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9 questions

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6 sample questions

Question 1.
What is an interrupt?
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Think about events that cause the CPU to pause.
Question 2.
What does the program counter do?
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What keeps track of the current instruction sequence?
3Question 3.
What does an interrupt do in a computing context?
- Stops execution permanently
- Pauses execution for urgent tasks
- Causes system failure
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Think about urgent situations that might require immediate attention.
4Question 4.
True or False: The program counter must be saved when an interrupt occurs.
- True
- False
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What must you remember to ensure you can continue afterward?
Question 5.
Suppose a computer is currently executing instructions and receives an interrupt. Explain the detailed steps it takes from receiving the interrupt to resuming the interrupted instruction.
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Think about every step the CPU takes when responding to the interrupt and returning to normal operation.
Question 6.
Design a small program in pseudocode that illustrates handling an interrupt. Describe how the program counter is affected throughout the process.
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Consider how the flow of instructions changes when an interrupt is handled.

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