This set of Data Structures & Algorithms Multiple Choice Questions & Answers (MCQs) focuses on “Ternary Tree – 1”.
1. How many child nodes does each node of Ternary Tree contain?
Explanation: Each node of Ternary tree contains at most 3 nodes. So Ternary tree can have 1, 2 or 3 child nodes but not more than that.
2. Which of the following is the name of the node having child nodes?
Explanation: Parent node is the node having child nodes and child nodes may contain references to their parents. Parent node is a node connected by a directed edge to its child.
3. What is the depth of the root node of the ternary tree?
Explanation: Depth is defined as the length of the path from root to the node. So the depth of root node in ternary tree is 0.
4. What is the Height of the root node of ternary tree?
Explanation: Height of ternary tree is defined as the length of path from root to deepest node in tree. Therefore, height off root node in ternary tree is 0.
Explanation: Node A is called the root node of the above ternary tree while the Node B, Node C, Node D are called Leaf node.
Explanation: Leaf node is any node that does not contain any children. Since Node G is the node without any children, So G is called Leaf Node. While Node A is root node and Node B, Node C, Node D is parent node of their children.
Explanation: Since Node 2 has two children Node 5 and Node 6, So Node 2 is the parent node of Node 6. While Node 1 is root node and Node 3 and Node 5 are Leaf node.
Explanation: Since Root node of the ternary tree is Node 1 and also Node 1 has three children that is Node 2, Node 3, Node 4. So parent node of Node 3 and the root node of the ternary tree are same.
Explanation: The Child node is the node that has a directed path from its parent node. Since Node D has a direct path to Node H, So Node H is the Child node.
Explanation: Since Node D is the Leaf node of the above ternary tree and leaf node has no child node. So there is no child node for Node D in the above ternary tree.
Explanation: Depth of the node is the length of the path from root to the node. Here, length of path from root to Node G is 2. So depth of Node G is 2.
Explanation: Height of the tree is defined as the length of the path from root node to the deepest node of the tree. Here deepest nodes are 5,6,7 which are at length 2. So the height of the ternary tree is 2.
Explanation: Siblings are the nodes that share same parent. Since both the Node E and Node F have same parent Node B, So the sibling of Node B is Node E and Node F.
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