Which term describes a piece of data that can change during program execution?

• A. Class
• B. Variable
• C. Property
• D. Sprite

Answer: (B)

A variable is a named container for data whose value can change as the program runs. You assign a value to it and later you can assign a new value, reflecting changes over time. For example, starting with a score of 0 and then adding points updates that variable's value. This ability to hold and update changing data is what makes a variable the right concept here.

A class is a blueprint for objects, not a single piece of data that changes. A property is a characteristic of an object (which can vary), but the general term for changeable data in the flow of a program is variable. A sprite is just a graphic used in games, not the concept of changeable data itself.