The black box concept is based on the assumption(s) that;

1.	The black box concept is based on the assumption(s) that;
A.	the suprasystem is stable
B.	black boxes are dependent or environments
C.	the relationship between the inputs and output is stable
D.	All of the above
E.	None of the above
Answer» D. All of the above

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The black box concept is based on the assumption(s) that;

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