Which of the Following Is a Real-World Example of a Positive

question 23

Multiple Choice

Which of the following is a real-world example of a positive externality?

• A)You are craving a soda for lunch. However, the customer ahead of you in line at the hot dog stand buys the last can.
• B)National defense is available even for people who do not pay income taxes.
• C)A person seated in a non-smoking section of a restaurant decides to sneak a few puffs of a cigarette.
• D)A child receives a vaccination to prevent the spread of measles.

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Definitions:

Default Value

A predefined value automatically assigned to a database field or software application setting, used unless specifically changed by the user.

Input Mask

A template that dictates the format the user must enter data into a field, such as phone numbers or social security numbers.

Startup Command-line

A series of text commands used to configure settings or start programs when a computer system initiates.

Exclusive Access

In computing, it refers to a mode where only one user or process can access a resource, like a file or database, at a time, preventing others from accessing it concurrently.