System Analysis and Design
Any data that are entered into the computer, for the first time, will go through the process of

Sequential testing
Validation
String testing
System testing
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
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

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