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

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

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Operating System (OS)
Semaphores

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

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Operating System (OS)
A program

is the device where information is stored
is a device that performs a sequence of operations specified by instructions in memory.
None of these
is typically characterized by interactive processing and time of the CPU
is a sequence of instructions

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