Operating System (OS)
Swapping

works best with many small partitions
does not work with overlaying
None of these
allows each program in turn to use the memory
allows many programs to use memory simultaneously

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

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

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