The correct option A) how; what; While one logical system description shows "what" the system does, a physical system definition shows "how" the system functions.
logical system:
Physical system:
Any thing or component of an object that may be studied using the rules of physics is referred to as a physical system in physics.
Physical systems can include anything from an atom to lake water.
The environment is everything that exists outside of the system, and it is ignored in the analysis aside from how it affects the system.
Thus, as logical system description shows "what" the system does, a physical system definition shows "how" the system functions.
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