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Question

In demand transfer mode of 8237, the device stops data transfer when

a.

a TC (terminal count) is reached

b.

an external EOP (active low) is detected

c.

the DREQ signal goes inactive

d.

all of the mentioned

Posted under Microprocessor

Answer: (d).all of the mentioned

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Q. In demand transfer mode of 8237, the device stops data transfer when