Which statement correctly contrasts Use Cases and Test Cases?

• A. Use Cases describe how users will use the program; Test Cases are detailed and test one condition at a time
• B. Use Cases are about code structure; Test Cases are about UI design
• C. Use Cases are performance benchmarks; Test Cases are installation steps
• D. Use Cases are binary dictionaries; Test Cases are source files

Answer: (A)

Use cases describe how people will interact with the program to achieve goals, focusing on user workflows and what the user is trying to accomplish. Test cases are concrete, step-by-step instructions with specific inputs and expected outputs used to verify that the software behaves correctly under defined conditions. They’re detailed and designed to test one scenario at a time, so you can pinpoint where something goes wrong.

That alignment is why this statement is the best answer: it contrasts user-focused workflows with precise verification steps. The other options mix in things like code structure, UI design, performance benchmarks, installation steps, or even unrelated ideas like dictionaries or source files, which aren’t the primary distinction between use cases and test cases.