Difficulty: Medium

Average Score: 59%

A developer is creating an application and needs a variable to store the single letter 'b' for noting blue eyes.

Which data type should be used for this purpose?

Rationale

Character is the appropriate data type for storing the single letter 'b'.

A character data type is specifically designed to hold single letters or symbols, making it ideal for representing the letter 'b' in a variable for denoting blue eyes.

A (Boolean) YOUR ANSWER

Boolean data types are used to represent truth values, specifically true or false. They are not suitable for storing characters or letters, as they lack the capability to hold any data beyond binary conditions.

B (Character) CORRECT

The character data type is specifically intended for storing single characters, such as letters, digits, or symbols. Using this data type allows the developer to effectively store the letter 'b' as a representation of blue eyes, aligning perfectly with the requirement of the application.

C (Character string) YOUR ANSWER

A character string, or string data type, is designed to hold sequences of characters rather than just a single character. While it could technically hold the letter 'b', it is not the most efficient choice for this specific case where only one character is needed.

D (Integer) YOUR ANSWER

Integer data types are meant for whole numbers and cannot store letters or characters. Since the letter 'b' is not a numeric value, an integer would be inappropriate for this variable, rendering it ineffective for the intended purpose.

Conclusion

In this scenario, the character data type is the most appropriate choice for storing the single letter 'b' to represent blue eyes. While other data types like boolean, character strings, and integers serve different functions, they do not meet the specific need for a single character representation, thus confirming character as the optimal solution.

Which data type should be used for this purpose?

Character is the appropriate data type for storing the single letter 'b'.

Related Questions

Related Quizzes

How familiar were you with this question?

Report an Issue

Rate this Practice Test