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Questions and Answers
What do non-functional requirements primarily apply to?
What do non-functional requirements primarily apply to?
- The development process
- Individual features or services
- The system as a whole (correct)
- Timing constraints
Which one of the following best describes functional requirements?
Which one of the following best describes functional requirements?
- Constraints on the system from the domain of operation
- Constraints on the services or functions offered by the system
- Constraints on the development process
- Statements of services the system should provide (correct)
What might functional requirements state?
What might functional requirements state?
- Constraints on the services or functions offered by the system
- Constraints on the system from the domain of operation
- What the system should not do (correct)
- Constraints on the development process
Functional requirements are statements of services the system should provide, how the system should react to particular inputs and how the system should behave in particular ______.
Functional requirements are statements of services the system should provide, how the system should react to particular inputs and how the system should behave in particular ______.
What are domain requirements?
What are domain requirements?
Non-functional requirements are constraints on the services or functions offered by the system such as timing constraints, constraints on the development process, ______, etc.
Non-functional requirements are constraints on the services or functions offered by the system such as timing constraints, constraints on the development process, ______, etc.
Domain requirements are constraints on the system from the ______ of operation.
Domain requirements are constraints on the system from the ______ of operation.
Non-functional requirements often apply to the system as a whole rather than individual features or ______.
Non-functional requirements often apply to the system as a whole rather than individual features or ______.
Why is requirements validation important?
Why is requirements validation important?
Which of the following best describes requirements validation?
Which of the following best describes requirements validation?
What is the cost comparison between fixing a requirements error and fixing an implementation error after delivery?
What is the cost comparison between fixing a requirements error and fixing an implementation error after delivery?
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Study Notes
Non-Functional Requirements
- Apply to the overall system, addressing constraints rather than specific functionalities.
- Include timing constraints, development process limitations, and other operational prerequisites.
Functional Requirements
- Define the services the system must provide and expected reactions to specific inputs.
- Specify behaviors of the system under various conditions.
- May detail specific processes or methods through which the service is delivered.
Domain Requirements
- Represent constraints stemming from the specific domain in which the system operates.
- Consider legal, regulatory, and environmental aspects relevant to the domain.
Importance of Requirements Validation
- Ensures that requirements accurately capture stakeholder needs and expectations.
- Helps to detect errors or issues before they escalate into costlier problems.
- Facilitates clear communication among stakeholders and development teams.
Cost of Errors
- Fixing a requirements error is significantly less expensive than addressing an implementation error post-delivery.
- Early resolution of requirements issues saves time and resources and enhances project success.
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