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CIW 1D0-61C Exam - Topic 3 Question 16 Discussion

When a PC computer device wants to communicate with the processor, which system resource does it use?
D) IRQ
A) I/O
B) DMA
C) PIO

CIW 1D0-61C Exam - Topic 3 Question 16 Discussion

Actual exam question for CIW's 1D0-61C exam
Question #: 16
Topic #: 3
[All 1D0-61C Questions]

When a PC computer device wants to communicate with the processor, which system resource does it use?

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Suggested Answer: D

by Irma at May 08, 2022, 05:10 AM

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Leandro
10 months ago
100% agree, it's PIO!
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Terry
10 months ago
Wait, are we sure it's not DMA? Seems off.
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Laurene
10 months ago
IRQ is used for interrupt requests, not direct comms.
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Bobbye
10 months ago
I thought it was DMA?
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Lizbeth
11 months ago
It's definitely PIO for direct communication.
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Portia
11 months ago
Hmm, I'm not sure about that. I was thinking the success code might be stored in the object metadata instead. But I could be wrong - I'll have to double-check the documentation on that.
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Antonio
11 months ago
I'm a bit confused on this one. I know the trigger depth error can happen when a trigger calls itself, but I'm not sure what the specific reasons could be here.
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