Operating System (OS)
The function(s) performed by the paging software is (are)

Sharing and protection
All of these
Management of the physical address space
None of these
Implementation of the access environment for all programs in the system

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Operating System (OS)
Thrashing can be avoided if

the pages, belonging to the working set of the programs, are in main memory
All of these
the speed of I/O processor is increased
the speed of CPU is increased
None of these

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