Operating System (OS)
What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

Paging
Partitioning
Windowing
None of these
Multitasking

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Operating System (OS)
A spooler is a

Queue of print job that are waiting to print
Location in memory that maintains the contents of documents until it prints
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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