Operating System (OS)
A page fault

is an access to a page not currently in memory
is an error is a specific page
is a reference to a page belonging to another program
None of these
occurs when a program accesses a page of memory

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Operating System (OS)
A public key encryption system

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

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Operating System (OS)
The function(s) of file system is (are):

to provide security against loss of information due to system failure
to provide complete file naming freedom to the users and to permit controlled sharing of files
None of these
to provide for long and short term storage of files with appropriate economic tradeoffs.
All of these

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