Operating System (OS)
The LRU algorithm

pages out pages that have not been used recently
pages out pages that have been least used recently
None of these
pages out the first page in a given area
pages out pages that have been used recently

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Operating System (OS)
A public key encryption system

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

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