In a binary tree, the node that is directly above another node is called the _____ of that node.a)parentb)leafc)childd)sibling
Question
In a binary tree, the node that is directly above another node is called the _____ of that node.
a) parent
b) leaf
c) child
d) sibling
Solution
Analyzing the Options
- Parent: In a binary tree, the node that is directly above another node is usually referred to as its parent.
- Leaf: A leaf node is a node that does not have any children; it is not relevant to the position in the tree.
- Child: This term refers to a node that is below another node, which contradicts the relationship described in the question.
- Sibling: Siblings are nodes that share the same parent but are not directly above one another.
Conclusion
Given the definitions, the correct answer for the node that is directly above another node is:
Final Answer
a) parent
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