Practice Structure And Function Of I/o Module (32.6.2)

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9 questions

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6 sample questions

Question 1.
What is a data buffer?
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Think about what happens during the data transfer process.
Question 2.
What does the device driver do?
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Consider how software and hardware need to interact.
3Question 3.
What does a data buffer do?
- Stores data for processing
- Transfers data directly
- Converts signals
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Think about its purpose in data transfer.
4Question 4.
True or False: Seek time is the time it takes for the CPU to check the disk.
- True
- False
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Clarify what part of the disk access process this refers to.
Question 5.
If a hard disk takes 8ms for seek time and 12ms for rotational delay, what is the total access time for data?
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Add the two times together.
Question 6.
In a scenario where a disk is accessed 1000 times, with a programmed I/O requiring 4ms per access and DMA requiring 1ms, calculate the total time for each method.
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Use multiplication for the calculation.

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