Operating System (OS)
Under virtual storage,

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

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Operating System (OS)
A public key encryption system

allows only the correct sender to decode the data
None of these
allows anyone to decode the transmission
does not encode the data before transmitting it
allows only the correct receiver to decode the data

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