Which of the Following Statements About the Three Tree Traversal

question 48

Multiple Choice

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

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

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Definitions:

Marginal Cost

The increase or decrease in the total cost incurred from producing one additional unit of a good or service.

Industry Entry

The act of a new company entering an existing market with the intention of selling goods or services.

Profit Circumstances

Situations or factors that affect a company's ability to generate earnings above its costs.