Operating System (OS)
System generation:

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

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Operating System (OS)
The FIFO algorithm

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
execute first the job that has been in the queue the longest
None of these

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