Operating System (OS)
Semaphores

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

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Operating System (OS)
Which of the following functions is(are) performed by the loader

None of these
physically place the machine instructions and data into memory.
allocate space in memory for the programs and resolve symbolic references between object decks
adjust all address dependent locations, such as address constants, to correspond to the allocated space.
All of these

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