Operating System (OS)
Scheduling is

None of these
the same regard-less of the purpose of the system
unrelated to performance consideration
allowing jobs to use the processor
not required in uniprocessor systems

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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
halts for a predetermined time
branches off to the interrupt service routine immediately
branches off to the interrupt service routine after completion of the current instruction
None of these

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