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

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

Quizplus · Accepted Answer

The IRQ (Interrupt Request) is used by devices to communicate with the processor, signaling it to stop its current activities and execute a specific task.

When a PC Computer Device Wants to Communicate with the Processor