Operating System (OS)
A spooler is a

Location in memory that maintains the contents of documents until it prints
Queue of print job that are waiting to print
Program that coordinates the print job that are waiting to process
Message sent from the printer to the operating system when a print job is completed

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Operating System (OS)
Thrashing

is a natural consequence of virtual memory systems
always occurs on large computers
can always be avoided by swapping
can be caused by poor paging algorithms
None of these

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