System Analysis and Design
The black-box concept:

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

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System Analysis and Design
In a Decision tree

all of the listed here
the branch, to be followed, depends on the conditions and decisions, to be made
the root is drawn on the left and is the starting point on the decision sequence
the nodes represent the conditions, with the right wise of tree listing the actions to be taken

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System Analysis and Design
A structure chart is

None of these
a statement of information processing requirements
a hierarchical partitioning of the program
All of these
a document of what has to be accomplished

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