MCQOPTIONS
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MCQOPTIONS
| 1. |
If the number of cycles spent busy – waiting is not excessive, then : |
| A. | interrupt driven I/O is more efficient than programmed I/O |
| B. | programmed I/O is more efficient than interrupt driven I/O |
| C. | both programmed and interrupt driven I/O are equally efficient |
| D. | none of the mentioned |
| Answer» C. both programmed and interrupt driven I/O are equally efficient | |