COMPUTER SCIENCE AND ENGINEERING
DATA STRUCTURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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root
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leaf
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internal node
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tree
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Detailed explanation-1: -In a tree data structure, nodes other than leaf nodes are called as Internal Nodes. The root node is also said to be Internal Node if the tree has more than one node.
Detailed explanation-2: -(definition) Definition: A node of a tree that has one or more child nodes, equivalently, one that is not a leaf. Also known as nonterminal node. See also parent, root.
Detailed explanation-3: -The root is an internal node, except in the special case of a tree that consists of just one node (and no edges). The nodes of a tree can be organized into levels, based on how many edges away from the root they are. The root is defined to be level 0. Its children are level 1.
Detailed explanation-4: -Root – The top node in a tree. Leaf – A node with no children. So by definition, if a Tree structure only consists of a single Node, that single Node will in fact be both a Root and a Leaf.
Detailed explanation-5: -A binary tree is a tree structure where each node has at most two children. Some data is stored at each node. Nodes with children are called interior nodes while nodes without children are called leaf nodes .