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For the daisy chain scheme of connecting I/O devices, which of the following statements is true?
- a)It gives non-uniform priority to various devices
- b)It gives uniform priority to all devices
- c)It is only useful for connecting slow devices to a processor device
- d)It requires a separate interrupt pin on the processor for each device
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
For the daisy chain scheme of connecting I/O devices, which of the fol...
daisy chaining approach tell the processor i which order the interrupt should be handled by providing priority to the devices
In daisy chaining method all the devices are connected in serial. The device with the highest priority is placed in the first position, followed by lower priority devices . interrupt pin is common to all
so answer is a
In daisy chaining method all the devices are connected in serial. The device with the highest priority is placed in the first position, followed by lower priority devices . interrupt pin is common to all
so answer is a
Most Upvoted Answer
For the daisy chain scheme of connecting I/O devices, which of the fol...
Explanation:
Daisy chaining is a method of connecting multiple devices in a chain or sequence. In this scheme, each device is connected to the previous device in a chain, forming a daisy chain. The last device in the chain is then connected to the processor or controller.
Non-uniform priority:
In a daisy chain scheme, the priority of devices is not uniform. The first device in the chain has a higher priority than the last device. This is because the first device is directly connected to the processor or controller and can therefore communicate faster than the last device.
The priority of devices in a daisy chain is determined by their position in the chain. Devices closer to the processor or controller have a higher priority than devices farther away.
Advantages and disadvantages:
Advantages of daisy chaining include simplicity, low cost, and the ability to connect many devices using only one port on the processor or controller. However, daisy chaining can also lead to slower communication speeds and potential data collisions.
Conclusion:
In conclusion, daisy chaining is a useful method of connecting I/O devices, but it does give non-uniform priority to various devices. It is important to consider the advantages and disadvantages of daisy chaining when designing a system.
Daisy chaining is a method of connecting multiple devices in a chain or sequence. In this scheme, each device is connected to the previous device in a chain, forming a daisy chain. The last device in the chain is then connected to the processor or controller.
Non-uniform priority:
In a daisy chain scheme, the priority of devices is not uniform. The first device in the chain has a higher priority than the last device. This is because the first device is directly connected to the processor or controller and can therefore communicate faster than the last device.
The priority of devices in a daisy chain is determined by their position in the chain. Devices closer to the processor or controller have a higher priority than devices farther away.
Advantages and disadvantages:
Advantages of daisy chaining include simplicity, low cost, and the ability to connect many devices using only one port on the processor or controller. However, daisy chaining can also lead to slower communication speeds and potential data collisions.
Conclusion:
In conclusion, daisy chaining is a useful method of connecting I/O devices, but it does give non-uniform priority to various devices. It is important to consider the advantages and disadvantages of daisy chaining when designing a system.
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For the daisy chain scheme of connecting I/O devices, which of the following statements is true?a)It gives non-uniform priority to various devicesb)It gives uniform priority to all devicesc)It is only useful for connecting slow devices to a processor deviced)It requires a separate interrupt pin on the processor for each deviceCorrect answer is option 'A'. Can you explain this answer?
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