Operating System (OS)
The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as

multiprogramming
virtual programming
None of these
caching
spooling

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Operating System (OS)
Thrashing can be avoided if

None of these
the speed of I/O processor is increased
the speed of CPU is increased
All of these
the pages, belonging to the working set of the programs, are in main memory

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