Operating System (OS)
Under virtual storage,

None of these
only the active pages of a program are stored in primary storage
interprogram interference may occur
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)
Feed back queue

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

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