Practice Design The I/o Instruction For Input-output Operation (23.3.3)

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6 sample questions

Question 1.
What is the primary function of an I/O module?
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Think about how communication happens in a computer.
Question 2.
Name one mode of I/O transfer.
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Recall the three primary methods.
3Question 3.
What does DMA stand for?
- Direct Manual Access
- Direct Memory Addressing
- Direct Memory Access
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Think about how devices can transfer data without involving the CPU.
4Question 4.
True or False: In programmed I/O, the CPU does not need to manage the data transfer.
- True
- False
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Consider the active role of the CPU in this I/O mode.
Question 5.
Design a simple instruction set for a new I/O device that includes both read and write operations. Describe potential complications.
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Consider how the device should communicate differently with the CPU.
Question 6.
Evaluate the impact of speed differences among devices on I/O module design.
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Reflect on how the I/O module can optimize data flow.

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