Which of the following statements best describes data hiding?
A. Mechanism used to ensure that information available at one processing level is not available at another level.
B. A process operation that is divided into layers by function.
C. The process of segmenting the memory into protected segments.
D. A design objective in which each process has its own address space.
Answer: A
Explanation: Data hiding is a mechanism where information available at one level is not available at another. A process isolation is when each process has its own address space to store its data and application code. Hardware segmentation is the process of segmenting memory into protected segments. Layering is a process operation that is divided into layers by function.
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