Operating System (OS)
Memory management is :

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

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Operating System (OS)
The function(s) of the Storage Assignment is (are)

to assign storage to all variables referenced in the source program.
to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.
to assign storage to all temporary locations that are necessary for intermediate results.
All of these
None of these

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