Operating System (OS)
The FIFO algorithm

executes first the job with the least processor needs
executes first the job that first entered the queue
None of these
execute first the job that has been in the queue the longest
executes first the job that last entered the queue

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Operating System (OS)
The function(s) of file system is (are):

All of these
to provide for long and short term storage of files with appropriate economic tradeoffs.
to provide complete file naming freedom to the users and to permit controlled sharing of files
to provide security against loss of information due to system failure
None of these

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