Practice Practical Questions On I/o Module (32.7) - Working Principle of Hard Disk

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6 sample questions

Question 1.
What is a device driver?
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Think of it as a translator between software and hardware.
Question 2.
Define external memory.
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Consider what happens to data when the power is off.
3Question 3.
What is the primary function of a device driver?
- To manage hardware devices
- To store data permanently
- To convert signals
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Think about who speaks to the hardware on behalf of the OS.
4Question 4.
True or False: External memory is volatile.
- True
- False
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Consider how data behaves in a power outage.
Question 5.
Evaluate the effects of reducing rotational delay on the performance of a hard disk.
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Think about how much faster you can get a book if it’s already on the table compared to having to search for it.
Question 6.
Design a simple device driver based on the principles discussed in the section. What key functionalities will it include?
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Consider all the interactions that happen between hardware and the operating system.

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