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

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

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Operating System (OS)
A Processor

None of these
is the device where information is stored
is a device that performs a sequence of operations specified by instructions in memory.
is a sequence of instructions
is typically characterized by interactive processing and time of the CPU

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