Practice Objective 1: Discuss The Need Of Interrupt Driven I/o Transfer (26.3.1)

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6 sample questions

Question 1.
What is interrupt-driven I/O?
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Think about how devices communicate with the CPU.
Question 2.
Name one disadvantage of programmed I/O.
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Consider situations where the CPU does nothing but wait.
3Question 3.
What is the main advantage of interrupt-driven I/O?
- A. Reduces CPU cost
- B. Allows CPU to perform other tasks while waiting
- C. Increases data transfer rate
- D. Requires less hardware
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Focus on how CPU time is managed during I/O operations.
4Question 4.
True or False: In programmed I/O, the CPU does not need to wait for the device to be ready.
- True
- False
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Think about the definition of programmed I/O.
Question 5.
Describe a scenario where an interrupt-driven approach outperforms programmed I/O.
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Consider applications that require real-time interactions.
Question 6.
Analyze the impact of busy waiting on system performance in a complex computing environment.
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Think about how resources are allocated in multi-tasking systems.

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