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
Application software
The motherboard
The operating system

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Operating System (OS)
A relocate program form is one which

All of these
can itself performs the relocation of its address-sensitive portions.
None of these
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
consists of a program and relevant information for its relocation.

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