Which of the following best describes a non-functional requirement?

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Study for the Certified Associate in Healthcare Information and Management Systems Exam. Utilize flashcards and multiple-choice questions with hints and explanations. Prepare effectively for your healthcare IT certification!

Multiple Choice

Which of the following best describes a non-functional requirement?

Explanation:
Non-functional requirements specify how the system should perform or behave, focusing on quality attributes like performance, reliability, and usability rather than on specific tasks. Saying the system should respond within 2 seconds sets a measurable performance constraint that affects user experience and workflow, which is the essence of a non-functional requirement. The other statements describe specific tasks the system must perform—calculating totals, storing patient demographics, and validating input—which define functionality or capabilities. They tell you what the system does, not how well it should perform those tasks.

Non-functional requirements specify how the system should perform or behave, focusing on quality attributes like performance, reliability, and usability rather than on specific tasks. Saying the system should respond within 2 seconds sets a measurable performance constraint that affects user experience and workflow, which is the essence of a non-functional requirement.

The other statements describe specific tasks the system must perform—calculating totals, storing patient demographics, and validating input—which define functionality or capabilities. They tell you what the system does, not how well it should perform those tasks.

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