Practice Control Register Usage (32.7.1) - Working Principle of Hard Disk

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6 sample questions

Question 1.
What is the main purpose of control registers?
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Think about how devices communicate with the CPU.
Question 2.
Define Programmed I/O in one sentence.
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What does the CPU do in this situation?
3Question 3.
What is the role of a control register?
- To store data temporarily
- To configure device operation
- To manage network connections
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Consider what registers control.
4Question 4.
Direct Memory Access allows devices to transfer data without involving the CPU.
- True
- False
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Think about what 'Direct' means in this context.
Question 5.
Imagine a situation where a hard disk has high access times despite using DMA. Discuss potential factors that could cause this inefficiency.
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Consider aspects outside of data transfer methods.
Question 6.
Devise a scenario that illustrates how a poorly configured control register can affect the performance of a peripheral device.
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Think about what happens when devices respond unexpectedly.

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