A node in a binary tree that has no children is called
A) a leaf
B) a single node
C) barren
D) a twig

Question

Quizplus · Accepted Answer

A leaf is a common term used to refer to a node in a binary tree that has no children. It represents the end of a branch and has no further sub-trees connected to it. Therefore, option A is the most appropriate choice. Options B, C, and D are not commonly used terms to describe such nodes in a binary tree.

A Node in a Binary Tree That Has No Children