

When designing the physical layout of a data processing center, which of the following would be least likely to be a necessary control?
A: Design of controls to restrict access.
B: Adequate physical layout space for the operating system.
C: Inclusions of an adequate power supply system with surge protection.
D: Consideration of risks related to other uses of electricity in the area.
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Answer B is correct because an operating system ordinarily requires no physical layout space since it represents software within a computer.