Operating System (OS)
A spooler is a

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

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Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

priority is programmable
it is relatively easy to add more devices to the chain
the failure of one device may affect other devices on the chain
the number of control lines is independent of the number of devices on the chain
None of these

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