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

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

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Operating System (OS)
A relocate program form is one which

consists of a program and relevant information for its relocation.
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
All of these
can itself performs the relocation of its address-sensitive portions.
None of these

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Operating System (OS)
A critical region is

none is the above
a program segment that often causes unexpected system crashes
a program segment where shared resources are accessed
a program segment that has not been proved bug-free
one which is enclosed by a pair of P and V operations on semaphores

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