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

virtual programming
spooling
caching
multiprogramming
None of these

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Operating System (OS)
The dispatcher

actually schedules the tasks into the processor
None of these
is always small and simple
puts tasks in I/O wait
never changes task priorities

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