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Which of the following is a type of DMA transfer?

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in Microprocessor by (39.4k points)
Which of the following is a type of DMA transfer?

(a) memory read

(b) memory write

(c) verify transfer

(d) all of the mentioned

The question was asked by my school teacher while I was bunking the class.

Query is from Programmable DMA Interface 8237 -1 topic in chapter DMA, Floppy Disk and CRT Controllers of Microprocessor

1 Answer

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by (49.2k points)
Correct answer is (d) all of the mentioned

Easiest explanation: Memory read, memory write and verify transfer are the three types of DMA transfer.

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