Which of the Following Is True About Classes and Structs

question 23

Multiple Choice

Which of the following is true about classes and structs?

• A) By default, all members of a struct are public and all members of a class are private.
• B) A struct variable is passed by value only, and a class variable is passed by reference only.
• C) An assignment operator is allowed on class variables, but not on struct variables.
• D) You cannot use the member access specifier private in a struct.

---

Definitions:

Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, calculated as the percentage change in quantity demanded divided by the percentage change in price.

Logarithmic Scales

Logarithmic scales are a way of displaying data on graphs where the scale is divided according to orders of magnitude, so each step on the scale represents a tenfold change in the data.

Marginal Revenue

The increase in revenue that results from the sale of one additional unit of product or service.

Demand Curve

A graph depicting the relationship between the price of a good or service and the quantity demanded for a given period, typically showing a downward slope from left to right.