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The current address register is programmed by the CPU as

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in Microprocessor by (39.4k points)
The current address register is programmed by the CPU as

(a) bit-wise

(b) byte-wise

(c) bit-wise and byte-wise

(d) none of the mentioned

I had been asked this question in my homework.

Enquiry is from Programmable DMA Interface 8237 -1 in section DMA, Floppy Disk and CRT Controllers of Microprocessor

1 Answer

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by (49.2k points)
The correct choice is (b) byte-wise

Explanation: The current address register is byte-wise programmed by the CPU, i.e. lower byte first and the higher byte later.

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