Operating System (OS)
First-in-First-Out (FIFO) scheduling is

Deadline Scheduling
Preemptive Scheduling
Non Preemptive Scheduling
Fair Share Scheduling

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Operating System (OS)
File record length

Should always be variable
None of these
should be chosen to match the data characteristics
should always be fixed
depends upon the size of the file

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Operating System (OS)
A spooler is a

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
Queue of print job that are waiting to print

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Operating System (OS)
Capacity planning

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

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