Techniques for performing I/O:
A. Programmed I/O
B. Interrupt-driven I/O
C. Rotational I/O
D. Direct memory access
E. Channelized I/O
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Correct answer: B. A, B, and D Only
Explanation
Stallings lists three I/O techniques: programmed I/O, interrupt-driven I/O and DMA.More Computer System Architecture questions
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