Operating System (OS)
The FIFO algorithm

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

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Operating System (OS)
File record length

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

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