Operating System (OS)
The term "operating system" means

a set of programs which controls computer working
the way a computer operator works
the way a floppy disk drive operates
conversion of high level language into machine code
None of these

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

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

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