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______ interrupt method uses register whose bits are set seperately by interrupt signal for each device.
- a)Parallel priority interrupt
- b)Serial priority interrupt
- c)Daisy chaining
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
______ interrupt method uses register whose bits are set seperately by...
Parallel Priority Interrupt:
Interrupt method uses register whose bits are set separately by interrupt signal for each device. This method allows multiple devices to interrupt the CPU simultaneously by setting their respective bits in the interrupt register.
Explanation:
- In parallel priority interrupt, each device is assigned a specific bit in the interrupt register.
- When a device needs to interrupt the CPU, it sets its bit in the register.
- The CPU then checks the register to determine which device has the highest priority.
- The device with the highest priority is serviced first, and the interrupt is acknowledged.
- This method allows for efficient handling of multiple interrupts from different devices.
Advantages of Parallel Priority Interrupt:
- Allows for simultaneous handling of multiple interrupts.
- Provides a mechanism for determining the priority of interrupts.
- Ensures that the most important interrupt is serviced first.
Disadvantages of Parallel Priority Interrupt:
- Requires a separate bit in the interrupt register for each device, which can lead to a large register size.
- Complexity increases as more devices are added, making it difficult to manage priorities effectively.
Interrupt method uses register whose bits are set separately by interrupt signal for each device. This method allows multiple devices to interrupt the CPU simultaneously by setting their respective bits in the interrupt register.
Explanation:
- In parallel priority interrupt, each device is assigned a specific bit in the interrupt register.
- When a device needs to interrupt the CPU, it sets its bit in the register.
- The CPU then checks the register to determine which device has the highest priority.
- The device with the highest priority is serviced first, and the interrupt is acknowledged.
- This method allows for efficient handling of multiple interrupts from different devices.
Advantages of Parallel Priority Interrupt:
- Allows for simultaneous handling of multiple interrupts.
- Provides a mechanism for determining the priority of interrupts.
- Ensures that the most important interrupt is serviced first.
Disadvantages of Parallel Priority Interrupt:
- Requires a separate bit in the interrupt register for each device, which can lead to a large register size.
- Complexity increases as more devices are added, making it difficult to manage priorities effectively.
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______ interrupt method uses register whose bits are set seperately by interrupt signal for each device.a)Parallel priority interruptb)Serial priority interruptc)Daisy chainingd)None of the mentionedCorrect answer is option 'A'. Can you explain this answer?
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