Operating System (OS)
The FIFO algorithm

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

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Operating System (OS)
All of the following are task performed by the operating system except

Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation
Managing hardware on the computer
Provides an interface for user to interact with computer

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