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Advanced Software Engineering 2024: Functional and Non-functional Requirements

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Advanced Software Engineering 2024: Functional and Non-functional Requirements

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Questions and Answers

How should functional requirements be expressed when presented as user requirements?

As detailed flowcharts and diagrams

In a mix of technical and natural language

In natural language for user and manager understanding (correct)

In technical jargon to maintain precision

What is the purpose of the software requirements document?

To specify how the system should function

To provide a detailed design of the system

To define user requirements and system specifications (correct)

To outline the steps for software development

What do functional requirements for a system describe?

How the system should look visually

The expected users of the software

The type of software being developed

What the system should do (correct)

What is the main difference between functional and non-functional requirements?

Functional requirements focus on user needs, non-functional on system performance Signup and view all the answers

What is the focus when writing functional requirements as user requirements?

Natural language for user and manager understanding Signup and view all the answers

What should the software requirements document NOT include?

Detailed design of the system Signup and view all the answers

Which method uses incremental requirements engineering and expresses requirements as 'user stories'?

Extreme Programming (XP) Signup and view all the answers

Why do many agile methods argue that producing a requirements document is a waste of time?

Because requirements change quickly, making the document always out of date. Signup and view all the answers

What is the purpose of product requirements?

To specify constraints on the runtime behavior of the software. Signup and view all the answers

What type of non-functional requirement includes requirements derived from policies and procedures in the customer’s and developer’s organizations?

Organizational requirements Signup and view all the answers

Why are user requirements required to be understandable by end-users and customers with no technical background?

To cater to the needs of non-technical stakeholders. Signup and view all the answers

What does XP stand for in the context of software development methods?

Extreme Programming Signup and view all the answers

Which method argues that producing a requirements document is a waste of time due to the quickly changing nature of requirements?

Extreme Programming (XP) Signup and view all the answers

What do external requirements cover in software development?

Requirements derived from factors external to the system and its development process Signup and view all the answers

What do organizational requirements include?

'Operational process' requirements derived from policies and procedures Signup and view all the answers

Why are non-functional requirements important in software development?