Operating System (OS)
The FIFO algorithm

None of these
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
executes first the job that last entered the queue

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Operating System (OS)
System generation:

is always quite simple
None of these
is always very difficult
varies in difficulty between systems
requires extensive tools to be understandable

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