Operating System (OS)
Swapping

None of these
allows each program in turn to use the memory
allows many programs to use memory simultaneously
does not work with overlaying
works best with many small partitions

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

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

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Operating System (OS)
All of the following are TRUE regarding virtual memory EXCEPT

Virtual memory is the physical space o the hard drive
Any amount of RAM can be allocated to virtual memory
This temporary storage is called the swap file or page file
The setting for the amount of hard disk drive space to allocate virtual memory can be manually change

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