Practice External Memory Explanation (32.3.1) - Working Principle of Hard Disk

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6 sample questions

Question 1.
What is the purpose of external memory?
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Think about the difference between volatile and non-volatile memory.
Question 2.
Define a device driver.
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What enables the OS to work with peripherals?
3Question 3.
What is the main function of external memory?
- Temporary data storage
- Permanent data storage
- Only for backups
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Consider the purpose of storage devices.
4Question 4.
True or False: A device driver is needed for the operating system to communicate with the hard disk.
- True
- False
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Think about how software communicates with hardware.
Question 5.
How does data organization in a magnetic disk affect its performance? Discuss using technical terminology like seek time and data transfer.
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Consider how minimizing mechanical movement aids performance.
Question 6.
Design a simple device driver for a fictional storage device and explain the operations it needs to perform.
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Think about how the device driver communicates commands effectively.

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