Operating System (OS)
Under virtual storage,

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

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Operating System (OS)
Daisy chain is a device for

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

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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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