Q
If the number of cycles spent busy – waiting is not excessive, then ____________
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A
A. Interrupt driven i/o is more efficient than programmed i/o
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B
B. Programmed i/o is more efficient than interrupt driven i/o
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C
C. Both programmed and interrupt driven i/o are equally efficient
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D
D. None of the mentioned
Correct Answer:
B. B. Programmed i/o is more efficient than interrupt driven i/o
