System Analysis and Design
Conversion method in which users, being used to an old system, continue to use the old system, along with the new system, is

Multitasking
None of these
Parallel run
Multiprocessing
All of these

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System Analysis and Design
In a Decision tree

the branch, to be followed, depends on the conditions and decisions, to be made
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

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