In software engineering and systems engineering, a functional requirement defines a function of a system or its component, where a function is described...

In systems engineering and requirements engineering, a non-functional requirement (NFR) is a requirement that specifies criteria that can be used to judge...

between the high-level business requirements and more detailed solution requirements. Functional (solution) requirements Usually detailed statements of...

accomplished. Functional requirements analysis will be used as the toplevel functions for functional analysis. Non-functional requirements are requirements that...

significant requirements were only recently, as of 2016, recognized as an important notion. When talking about architecture, the terms non-functional requirements...

A functional specification (also, functional spec, specs, functional specifications document (FSD), functional requirements specification) in systems...

NFR (Non-Functional Requirements) need a framework for compaction. The analysis begins with softgoals that represent NFR which stakeholders agree upon...

The product/system/software requirements usually consist of both functional requirements and non-functional requirements. Although typically defined in...

Ancillary Functionality Requirements instead of Non-Functional Requirements as "Non-Functional" connotes "never functional". Second, these requirements in fact...

Functional Requirements for Authority Data (FRAD), formerly known as Functional Requirements for Authority Records (FRAR), is a conceptual entity-relationship...

specification (CONOPS). The software requirements specification lays out functional and non-functional requirements, and it may include a set of use cases...

Functional Requirements for Bibliographic Records (FRBR /ˈfɜːrbər/) is a conceptual entity–relationship model developed by the International Federation...

Functional testing can evaluate compliance to functional requirements. Sometimes, functional testing is a quality assurance (QA) process. Functional testing...

Non-functional testing is testing software for its non-functional requirements: the way a system operates, rather than specific behaviors of that system...

Requirements Specification Process List of requirements engineering tools Non-functional requirement Performance requirements which are covered by Software performance...

with its specified requirements [citation needed] – often from a functional requirement specification (FRS), a system requirement specification (SRS)...

Within systems engineering, quality attributes are realized non-functional requirements used to evaluate the performance of a system. These are sometimes...

may involve a Requirements gap – omission from the design for a requirement.: 426  Requirement gaps can often be non-functional requirements such as testability...

extracts and prioritizes architectural characteristics (aka non functional requirements) then models the components accordingly. The team can use C4 Model...

reduces. RNAV specifications include requirements for certain navigation functions. These functional requirements include: continuous indication of aircraft...

"Software Non-functional Assessment Process," a measurement of the size of the software derived by quantifying the non-functional user requirements for the...

implementation) should emerge from constraints of the modeled domain (functional requirement). While "form" and "function" may be more or less explicit and invariant...

Functional Requirements for Subject Authority Data (FRSAD), previously known as Functional Requirements for Subject Authority Records (FRSAR), is a conceptual...

that the term tracing is almost never applied to logging that is a functional requirement of a program (therefore excluding logging of data from an external...

product with good usability. Usability is a non-functional requirement. As with other non-functional requirements, usability cannot be directly measured but...

In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions. It is a declarative...

requires process changes enabled by social business technology. Functional requirements for a social business technology platform include: Analytics (including...

particular level, they do not have to fulfill the same functional requirements. The functional features for each certified product are established in...

Scope creep (also called requirement creep, or kitchen sink syndrome) in project management is continuous or uncontrolled growth in a project's scope...

categories and fourteen sub-categories to measure the non-functional requirements. Non-functional requirement are mapped to the relevant sub-categories. Each sub-category...