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_________ method is used to establish priority by serially connecting all devices that request an interrupt.

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_________ method is used to establish priority by serially connecting all devices that request an interrupt.

(a) Vectored-interrupting

(b) Daisy chain

(c) Priority

(d) Polling

I had been asked this question during an interview.

I want to ask this question from Interrupts topic in division Input/Output Organisation of Computer Architecture

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Right choice is (b) Daisy chain

Explanation: In the Daisy chain mechanism, all the devices are connected using a single request line and they’re serviced based on the interrupting device’s priority.

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