Operating System (OS)
A critical region is

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

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Operating System (OS)
Object code

must be rewritten before execution
is ready to execute
None of these
must be "loaded" before execution
is the output of compilers, but not assemblers

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

None of these
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.
can itself performs the relocation of its address-sensitive portions.
consists of a program and relevant information for its relocation.
All of these

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