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FURPS is an acronym representing a model for classifying software quality attributes (functional and non-functional requirements): Functionality - capability (size and generality of feature set), reusability (compatibility, interoperability, portability), security (safety and exploitability)
In order to assess US capability to execute Joint Integrating Concepts there are three phases to capabilities-based assessment: a functional area analysis, a functional needs analysis, and a functional solutions analysis. The functional area analysis identifies operational tasks, conditions and standards needed to accomplish objectives.
Generally, functional requirements are expressed in the form "system must do <requirement>," while non-functional requirements take the form "system shall be <requirement>." [3] The plan for implementing functional requirements is detailed in the system design, whereas non-functional requirements are detailed in the system architecture. [4] [5]
Broadly, functional requirements define what a system is supposed to do and non-functional requirements define how a system is supposed to be.Functional requirements are usually in the form of "system shall do <requirement>", an individual action or part of the system, perhaps explicitly in the sense of a mathematical function, a black box description input, output, process and control ...
Feature-rich describes a software system as having many options and capabilities.. One mechanism for introducing feature-rich software to the user is the concept of progressive disclosure, a technique where features are introduced gradually as they become required, to reduce the potential confusion caused by displaying a wealth of features at once.
A functional capacity evaluation (FCE) is a set of tests, practices and observations that are combined to determine the ability of the evaluated person to function in a variety of circumstances, most often employment, in an objective manner. Physicians change diagnoses based on FCEs. [1]
A capability, in the systems engineering sense, is defined as the ability to execute a specified course of action. A capability may or may not be accompanied by an intention. [ 1 ] The term is used in the defense industry but also in private industry (e.g. gap analysis ).
Example of a high-level systems architecture for a computer. A system architecture is the conceptual model that defines the structure, behavior, and views of a system. [1] An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.