Operating System (OS)
A spooler is a

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

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Operating System (OS)
Memory

is typically characterized by interactive processing and time-slicing of the CPU
is the device where information is stored
None of these
is a sequence of instructions
is a device that performs a sequence of operations specified by instructions in memory.

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