Operating System (OS)
All of the following are task performed by the operating system except

Provides an interface for user to interact with computer
Managing hardware on the computer
Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation

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

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

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