Which of the Following Is NOT an Example of a Binary

Multiple Choice

Which of the following is NOT an example of a binary tree?

A) A decision tree where each interior node contains a question and the two subtrees correspond to a yes or no answer.
B) An expression tree that shows the order of evaluation in an arithmetic expression.
C) The family tree of a person, which includes all descendants of a person.
D) A Huffman tree where the left and right turns on the paths to the leaves describe binary encodings.