Operating System (OS)
Data encryption

is mostly used by public networks
is mostly used by financial networks
is not necessary, since data cannot be intercepted
None of these
cannot be used by private installations

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

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

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