System Analysis and Design
In Data structure, main characteristic of "ring" is :

None of these
All of these
first record points only to the last record
last, record points to the first record
many records point to one record

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System Analysis and Design
In Decision trees

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

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