Operating System (OS)
...... controls the way in which the computer system functions and provides a means by which users can interact with the computer

The platform
The operating system
The motherboard
Application software

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Operating System (OS)
Under virtual storage,

interprogram interference may occur
a single program is processed by two or more CPUs
only the active pages of a program are stored in primary storage
None of these
two or more programs are stored concurrently in primary storage

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