Operating System (OS)
The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:

FIFO
time sharing
time domain
None of these
time out

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

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