Which of the Following Statements About the Three Tree Traversal

Multiple Choice

Which of the following statements about the three tree traversal schemes studied is correct?

A) Inorder traversal is used for evaluating arithmetic expression trees on a stack-based calculator.
B) Postorder traversal is used for copying file directories.
C) Inorder traversal is used for copying file directories.
D) Postorder traversal is used for removing file directories by removing subdirectories first.