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When a PC computer device wants to communicate with the processor, which system resource does it use?
Suggested Answer: D
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7 comments · newest first
LE
Leandro
11 months ago
100% agree, it's PIO!
TE
Terry
12 months ago
Wait, are we sure it's not DMA? Seems off.
LA
Laurene
12 months ago
IRQ is used for interrupt requests, not direct comms.
BO
Bobbye
1 year ago
I thought it was DMA?
LI
Lizbeth
1 year ago
It's definitely PIO for direct communication.
PO
Portia
1 year 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.
AN
Antonio
1 year 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.