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Assertion(A): The DMA technique is more efficient than the interrupt-driven technique for high volume I/O data transfer.

Reason(R): The DMA technique doesnt make use of the interrupt mechanism.

(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not the correct explanation of A.

© A is true but R is false.

(d) A is false but R is true.
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