Operating System (OS)
Operating system

enables the programmer to draw a flowchart
None of these
links a program with the subroutines it references
provides a layered, user-friendly interface
All of these

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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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