Multiple choice

In which of the following modes does the DMA controller perform DMA transfers at the fastest possible rate as long as the I/O device asserts its DMA request?

  1. Demand transfer mode

  2. Block transfer mode

  3. Single transfer mode

  4. Flyby DMA transfer

  5. Fetch-and-deposit DMA transfer
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A Correct answer
Explanation

In this transfer mode, the DMA controller performs DMA transfers at the fastest possible rate as long as the I/O device asserts its DMA request.

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