Operating System (OS)
A page fault

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

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Operating System (OS)
All of the following are task performed by the operating system except

Managing hardware on the computer
Controlling the access that application program has to the CPU
Provides an interface for user to interact with computer
Performing housekeeping task like file compression and disk defragmentation

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