Operating System (OS)
Feed back queue

None of these
dispatch tasks according to execution characteristics
require manual intervention to implement properly
are very easy to implement
are used to favor real-time tasks

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Operating System (OS)
Under virtual storage,

interprogram interference may occur
None of these
only the active pages of a program are stored in primary storage
a single program is processed by two or more CPUs
two or more programs are stored concurrently in primary storage

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Operating System (OS)
The FIFO algorithm

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
executes first the job with the least processor needs
None of these

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