Questions and Answers
Requirement management involves managing changing requirements throughout the requirements engineering process and system development.
True
Functional requirements describe qualities such as security and usability observable at runtime.
False
Non-functional requirements can be categorized into execution qualities and evolution qualities.
True
Prototyping is a technique used in requirements validation that involves systematic manual analysis of the requirements.
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Requirements validation techniques include automated consistency analysis to check structured requirements descriptions.
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Study Notes
Requirement Management
- Involves overseeing changing requirements throughout system development and engineering processes.
- New requirements arise due to shifting business needs and enhanced system understanding.
- Priority of requirements may change as development progresses, influenced by business and technical environments.
Software Requirements Categories
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Functional Requirements:
- Define specific functions the system or its elements must perform.
- Documented in various formats, illustrating system behavior relative to its functionality.
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Non-functional Requirements:
- Establish broad criteria for evaluating system operation rather than detailing specific functionalities.
- Divided into two major categories:
- Execution Qualities: Observable at runtime, include aspects like security and usability.
- Evolution Qualities: Pertaining to static software structure, cover attributes like testability, maintainability, extensibility, and scalability.
Requirements Validation Techniques
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Requirements Reviews/Inspections:
- Involves systematic manual analysis of requirements to ensure accuracy and completeness.
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Prototyping:
- Creation of an executable model to validate requirements through practical evaluation.
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Test-Case Generation:
- Development of tests based on requirements to assess their viability and testability.
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Automated Consistency Analysis:
- Ensures consistency within structured requirement descriptions via automated checks.
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Description
Test your knowledge on managing software requirements through changing business needs and system understanding. Explore the differences between functional and non-functional requirements, as well as their importance in system development.
