Operating System (OS)
The FIFO algorithm

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

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Operating System (OS)
The term "operating system" means

conversion of high level language into machine code
a set of programs which controls computer working
None of these
the way a computer operator works
the way a floppy disk drive operates

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