System Analysis and Design
Which of the following is not a characteristic of a system

has interacting components
has homogeneous components
operates within a boundary
operates for some purpose

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System Analysis and Design
The black-box concept:

is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
All of these
assumes that inputs and outputs will remain stable
assumes that the black box is independent
None of these

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