The number of subtrees of a node is called the _____ of the node.
2018
The number of subtrees of a node is called the _____ of the node.
- A.
size
- B.
rank
- C.
degree
- D.
order
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Correct answer: C
In tree data structures, the degree of a node is defined as the number of its children or subtrees. Therefore, option C correctly identifies this terminology.