Operating System (OS)
The FIFO algorithm

executes first the job that first entered the queue
executes first the job with the least processor needs
None of these
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)
Daisy chain is a device for

connecting a number of devices to a controller
All of these
interconnecting a number of devices to a number of controllers
connecting a number of controllers to a device
None of these

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Operating System (OS)
The advantage of a command processor running only built-in commands is:

None of these
flexibility to the users in running lists of commands by simply collecting them in named batch command files
the command set being common across different hardware configurations
the processing is much faster than would other-wise be the case when user defined commands are used
users can create system programs and run them as commands

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