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

specification of the interfaces between modules
the use of graphical tools, such as data-flow diagrams, to model system
partitioning of systems into manageable levels of detail
All of these
None of these

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System Analysis and Design
In a Decision tree

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

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System Analysis and Design
A square symbols

identifies data flow
represents a process that transforms incoming data flow(s) into outgoing data flows
defines a source or destination of system data
is a data store-data at rest, or a temporary repository of data
None of these

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