System Analysis and Design
A design that consists of a hierarchy of modules; each module has a single entry and a single exit subroutine, is known as

Turnaround
top-down design
Tuple
hierarchy structure
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
all of the listed here
the branch, to be followed, depends on the conditions and decisions, to be made

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