Answer to Question #57452 in Programming & Computer Science for Justin

Question

1. What are the main differences between the three I/O models and what are their strength and weakness?

2. Assuming that an application needs to output 1000 words from the internal memory to the hard disk, calculate the following values for each I/O model:
- How many times the processor is interrupted?
- How many times the memory is read by the processor (for both program and data)?
- How many times the disk controller is read by the processor?
- How many times the disk controller is written to by the processor?

Answer 1

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