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

All of these
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.
can itself performs the relocation of its address-sensitive portions.
None of these

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Operating System (OS)
Semaphores

are used for memory management
are used to do I/O
synchronize critical resources to prevent deadlock
None of these
synchronize critical resources to prevent contention

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