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Whenever an I/O device wants to transfer the data to or from memory, it sends the DMA request (DRQ) to the ____
68. Whenever an I/O device wants to transfer the data to or from memory, it sends the DMA request (DRQ) to the ____.
- DMA
- DMA Controller
- Data Controller
- Device drivers
Answer: B) 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.