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.
All of these
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.
None of these

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Operating System (OS)
A critical region is

a program segment that often causes unexpected system crashes
one which is enclosed by a pair of P and V operations on semaphores
a program segment where shared resources are accessed
a program segment that has not been proved bug-free
none is the above

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