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| Q. |
In daisy chaining device 0 will pass the signal only if it has |
| A. | interrupt request |
| B. | no interrupt request |
| C. | both no interrupt and interrupt request |
| D. | none of the mentioned |
| Answer» B. no interrupt request | |
| Explanation: in daisy chaining since there is only one request line and only one acknowledges line, the acknowledge signal passes from device to device until the one with the interrupt is found. | |
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