Operating System (OS)
The CPU, after receiving an interrupt from an I/O device

branches off to the interrupt service routine after completion of the current instruction
halts for a predetermined time
branches off to the interrupt service routine immediately
hands over control of address bus and data bus to the interrupting device
None of these

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Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

priority is programmable
the number of control lines is independent of the number of devices on the chain
it is relatively easy to add more devices to the chain
the failure of one device may affect other devices on the chain
None of these

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