Operating System (OS)
Memory management is :

replaced with virtual memory on current systems
not used on multiprogramming systems
None of these
not used in modern operating system
critical for even the simplest operating systems

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Operating System (OS)
Process is

None of these
a job in secondary memory
program in High level language kept on disk
contents of main memory
a program in execution

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Operating System (OS)
Swapping

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

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