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:

Operating Activities

Transactions and events that impact the net income of a business, primarily related to its core operations.

Indirect Method

A way of reporting cash flows from operating activities in the cash flow statement, starting with net income and adjusting for non-cash transactions.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the decrease in value over time.

Statement of Cash Flows

A financial report summarizing the amount of cash and cash equivalents entering and leaving a company.