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

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

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Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

it is necessary to retranslate the user's program deck every time it is run.
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
None of these
All of these

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