The pin that is used to inform the CPU that the previous operation is completed is

Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)

SINTR

DRQ

RQ (active low)

GT (active low)

Correct Answer : Option (A) : SINTR

Explanation : The SINTR pins are used by the channels either to inform the CPU that the previous operation is over or to ask for its attention or interference if required, before the completion of the task.

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