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Requirements Engineering

Created by

@HandyOtter

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Questions and Answers

What is the process called for finding out, analyzing, documenting, and checking the services and constraints of a system?

The process is called requirements engineering (RE).

How are user requirements defined?

User requirements are statements, in a natural language plus diagrams, of what services the system is expected to provide to system users and the constraints under which they operate.

What are the requirements for a system according to the text?

The requirements for a system are the descriptions of what the system should do—the services that it provides and the constraints on its operation.

Is the term 'requirement' used consistently in the software industry according to the text?

No, the term 'requirement' is not used consistently in the software industry. Signup and view all the answers

What are some examples of the purpose a system may serve according to the text?

Some examples include controlling a device, placing an order, or finding information. Signup and view all the answers

What are user requirements?

Statements of what services the system is expected to provide to system users Signup and view all the answers

What are the descriptions of what the system should do?

Services and constraints Signup and view all the answers

What is the process of finding out, analyzing, documenting, and checking the services and constraints of a system called?

Requirements engineering Signup and view all the answers

What is a requirement in the software industry sometimes considered as?

Simply a high-level, abstract statement of a service Signup and view all the answers

What do the user requirements and system requirements reflect?

The needs of customers for a system that serves a certain purpose Signup and view all the answers

Study Notes

Requirements Engineering Overview

Requirements define what a system should achieve, including the services it offers and operational constraints.
Requirements reflect customer needs, addressing specific purposes like device control, order placement, or information retrieval.
The process of discovering, analyzing, documenting, and validating these needs is termed requirements engineering (RE).

Variability of Requirements

The term "requirement" is used inconsistently within the software industry.
Requirements can range from high-level abstract statements about services to detailed formal definitions of system functionalities.

User Requirements vs. System Requirements

User requirements articulate what the system must deliver from the perspective of end-users, often presented in natural language supplemented by diagrams.
They specify both the expected services and limitations relevant to user interactions with the system.

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Description

Test your knowledge of requirements engineering with this quiz on Chapter 4 definitions. Challenge yourself to understand the descriptions of system requirements, services, and operational constraints.