Software Requirements: Types and Examples

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Which type of requirements specify the general goals for the system?

Non-functional requirements (correct)
External requirements
Organizational requirements
Product requirements

What is an example of an organizational requirement?

The system shall comply with the local and national laws regarding the use of software tools
The system development process and deliverable documents shall conform to the MIL-STD-2167A (correct)
The system shall allow one hundred thousand hits per minute on the website
The system shall not disclose any personal information about members of the library system to other members except system administrators

What makes objective verification difficult for non-functional requirements?

They reflect general goals for the system
They are open to misinterpretation (correct)
They specify the standards and implementation requirements
They are written in a quantitative manner

What does it mean when there are chances of conflicts within nonfunctional requirements?

Different stakeholders can give different response times or failure tolerance levels (D) Signup and view all the answers

Which type of requirements specify ethical and privacy considerations?

External requirements (D) Signup and view all the answers

What is an example of an external requirement?

The system shall comply with the local and national laws regarding the use of software tools (C) Signup and view all the answers

Why are non-functional requirements difficult to write in a quantitative manner according to the text?

There are no quantitative measures for some goals (B) Signup and view all the answers

What do non-functional requirements provide clues about to designers and developers?

General goals for the system (C) Signup and view all the answers

What is an example of a product requirement?

'The system shall not have down time of more than one second for continuous execution of one thousand hours' (D) Signup and view all the answers

Why are non-functional requirements prone to conflicts within them according to the text?

Information is coming from different stakeholders with varying perspectives (C) Signup and view all the answers

What do non-functional requirements primarily relate to?

System as a whole (A) Signup and view all the answers

Why are non-functional requirements often considered more critical than individual functional requirements?

They capture the emergent behavior of the system (B) Signup and view all the answers

What must non-functional requirements be built into?

The framework of the software product (C) Signup and view all the answers

How does failure to meet a non-functional system requirement impact the whole system?

It makes the system unusable (B) Signup and view all the answers

Why do non-functional requirements often arise?

Due to organizational policies (B) Signup and view all the answers

Which of the following is an example of a non-functional requirement?

Response time for a search query (B) Signup and view all the answers

What happens if an aircraft system does not meet reliability requirements?

'It will not be certified as ‘safe’' (D) Signup and view all the answers

'For example, if a real-time control system fails to meet its performance requirements, what will be impacted?'

'The control functions' (A) Signup and view all the answers

'What do most non-functional requirements capture?'

'The emergent behavior of the system' (B) Signup and view all the answers

What are domain requirements?

Requirements related to specific industries or fields (B) Signup and view all the answers

Which of the following types of requirements specifies standards, implementation, and delivery?

Non-functional requirements (A) Signup and view all the answers

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

Functional requirements specify the behavior of the system, while non-functional requirements capture the system's emergent behavior. (C) Signup and view all the answers

Why are non-functional requirements sometimes written as general goals?

To express them in a way that is difficult to verify. (C) Signup and view all the answers

Which of the following dimensions do non-functional requirements primarily relate to?

Product, organizational, and external (D) Signup and view all the answers

What makes the verification of non-functional requirements challenging?

They are often written as general goals. (A) Signup and view all the answers

What is the measure used to quantify the 'Reliability' property?

Mean time to failure (B) Signup and view all the answers

Which type of requirements reflect fundamental characteristics of the application domain?

Domain requirements (D) Signup and view all the answers

What are the constraints that domain requirements can impose on solutions?

Strict constraints (D) Signup and view all the answers

What is an example of a measure used to quantify the 'Robustness' property?

Time to restart after failure (D) Signup and view all the answers

What does it mean when domain requirements are not explicitly mentioned?

They are difficult to convey (B) Signup and view all the answers

Which kind of software requirements specify ethical and privacy considerations?

Non-functional requirements (A) Signup and view all the answers

What are the measures used to quantify the 'Size' property?

$2K$ bytes (A) Signup and view all the answers

'The cost of quantitatively verifying each NFR may be very high.' What does 'NFR' stand for in this context?

Non-Functional Requirement (A) Signup and view all the answers

'Most banks do not allow over-draw on most accounts.' This statement is related to which type of requirement?

Non-functional requirement (B) Signup and view all the answers

What does it mean when it is said that domain-specific terminology can cause confusion?

It can lead to misunderstandings (A) Signup and view all the answers