Operating System (OS)
Which of the following capabilities is required for a system program to execute more than one program at a time?

None of these
word processing
multitasking
compiling
virtual memory

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Operating System (OS)
A spooler is a

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

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