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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
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In daisy chaining device 0 will pass the signal only if it has _______...
Answer: b
Explanation: In daisy chaining since there is only one request line and only one acknowledge line, the acknowledge signal passes from device to device until the one with the interrupt is found.
Explanation: In daisy chaining since there is only one request line and only one acknowledge line, the acknowledge signal passes from device to device until the one with the interrupt is found.
Most Upvoted Answer
In daisy chaining device 0 will pass the signal only if it has _______...
Explanation:
Daisy chaining is a technique used to connect multiple devices in a serial manner, where the output of one device is connected to the input of the next device and so on. In this setup, each device receives the signal from the previous device and passes it along to the next device in the chain.
Interrupt Requests:
Interrupt requests are signals generated by devices to request the attention of the CPU. When a device needs to communicate with the CPU, it sends an interrupt request. The CPU then stops its current task and services the interrupt request, giving priority to the requesting device.
Passing the Signal:
In a daisy chain setup, each device can either have an interrupt request or no interrupt request. When a device has an interrupt request, it means that it needs the attention of the CPU and therefore cannot pass the signal to the next device until its request is serviced. On the other hand, when a device has no interrupt request, it is not actively seeking the attention of the CPU and can freely pass the signal to the next device.
Device 0:
In the given question, it is mentioned that device 0 will pass the signal only if it has no interrupt request. This means that device 0 will only pass the signal to the next device in the chain if it does not require the attention of the CPU. If device 0 has an interrupt request, it will hold onto the signal and wait for its request to be serviced before passing the signal along.
Correct Answer:
Therefore, the correct answer is option 'B' - No interrupt request. Device 0 will pass the signal only if it has no interrupt request.
Daisy chaining is a technique used to connect multiple devices in a serial manner, where the output of one device is connected to the input of the next device and so on. In this setup, each device receives the signal from the previous device and passes it along to the next device in the chain.
Interrupt Requests:
Interrupt requests are signals generated by devices to request the attention of the CPU. When a device needs to communicate with the CPU, it sends an interrupt request. The CPU then stops its current task and services the interrupt request, giving priority to the requesting device.
Passing the Signal:
In a daisy chain setup, each device can either have an interrupt request or no interrupt request. When a device has an interrupt request, it means that it needs the attention of the CPU and therefore cannot pass the signal to the next device until its request is serviced. On the other hand, when a device has no interrupt request, it is not actively seeking the attention of the CPU and can freely pass the signal to the next device.
Device 0:
In the given question, it is mentioned that device 0 will pass the signal only if it has no interrupt request. This means that device 0 will only pass the signal to the next device in the chain if it does not require the attention of the CPU. If device 0 has an interrupt request, it will hold onto the signal and wait for its request to be serviced before passing the signal along.
Correct Answer:
Therefore, the correct answer is option 'B' - No interrupt request. Device 0 will pass the signal only if it has no interrupt request.
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