How Does the Class Definition of a Doubly Linked Structure

question 44

Multiple Choice

How does the class definition of a doubly linked structure differ from a singly linked structure?

• A) by adding a previous pointer
• B) by adding another head pointer
• C) by adding an extra data field
• D) by removing the tail pointer

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Definitions:

Import Quota

A government-imposed limit on the quantity or value of goods that can be imported into a country, often used to protect domestic industries.

Tariff

A tax imposed on imported goods and services to increase their price and reduce competitiveness with domestic products.

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The total amount of goods and services consumed within a country's borders.