Operating System (OS)
A spooler is a

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

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Operating System (OS)
Capacity planning

is independent of the operating system
does not depend on the monitoring tools available
is not needed in small installations
None of these
requires detailed system performance information

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Operating System (OS)
The necessary conditions needed before deadlock can occur?

No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait

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