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
Application software
The motherboard

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Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

None of these
A greater degree of machine independence
Improved debugging capability, and superior documentation
All of these
Fewer people, less management and shorter transition in learning time

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