Whenever an I/O device wants to transfer the data to or from memory, it sends the DMA request (DRQ) to the ____.

Operating System - Quiz(MCQ)

DMA

DMA Controller

Device drivers

Data Controller

Correct Answer : DMA Controller

Explanation : Whenever an I/O device wants to transfer the data to or from memory, it sends the DMA request (DRQ) to the DMA controller accepts this DRQ, and asks the CPU to hold for a few clock cycles.

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