System Analysis and Design
HIPO

None of these
is a forms-driven technique in which standard forms are used to document the information
consists of a hierarchy chart and an associated set of input/process/ output charts
All of these
captures the essence of top down decomposition.

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System Analysis and Design
In Decision trees

the branch depends on the condition and decisions to made
the root is drawn on the left and is the starting point on the decision sequence.
nodes represent the conditions, with the right side of tree listing the actions to be taken
None of these
All of these

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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.
assumes that inputs and outputs will remain stable
assumes that the black box is independent
None of these
All of these

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