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In direct memory access mode, the data transfer takes place

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+1 vote
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in Microprocessor by (39.4k points)
In direct memory access mode, the data transfer takes place

(a) directly

(b) indirectly

(c) directly and indirectly

(d) none of the mentioned

The question was posed to me in homework.

Enquiry is from DMA Controller 8257 in section DMA, Floppy Disk and CRT Controllers of Microprocessor

1 Answer

0 votes
by (49.2k points)
Correct choice is (a) directly

To explain I would say: In direct memory access mode, the data may transfer directly without the interference from the CPU.

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