One important class of bus master is the DMA (direct memory access) controller.

Name: One important class of bus master is the DMA (direct memory access) controller.
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Quizplus · Accepted Answer

The DMA controller is indeed an important class of bus master because it allows certain hardware subsystems within a computer to access the system memory for reading and/or writing independently of the central processing unit (CPU), thus improving the data transfer speed and efficiency.

One Important Class of Bus Master Is the DMA (Direct