Problemquestion 1 describe effect on the microprocessor and, Ask an Expert

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Problem:

Question 1: Describe effect on the microprocessor and DMA controller when the HOLD and HLDA pins are at their logic 0 levels.

Question 2: Write a sequence of instructions that transfers data from memory to an external I/O device by using Channel 3 of the 8237. The memory area to be transferred is at location 20000H-20FFFH.

Any help would be greatly appreciated!

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M91173188

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