McqMate
| Q. |
When dealing with multiple devices interrupts, which mechanism is easy to implement? |
| A. | polling method |
| B. | vectored interrupts |
| C. | interrupt nesting |
| D. | none of the mentioned |
| Answer» A. polling method | |
| Explanation: in this method, the processor checks the irq bits of all the devices, whichever is enabled first that device is serviced. | |
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