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Functionality, usability, reliability, performance and supportability are together referred to as FURPS in relation to software requirements. Agility in working software is an aggregation of seven architecturally sensitive attributes: debuggability, extensibility, portability, scalability, securability, testability and understandability.
Relationship between software desirable characteristics (right) and measurable attributes (left) Software quality measurement is about quantifying to what extent a system or software possesses desirable characteristics. This can be performed through qualitative or quantitative means or a mix of both.
The quality model presented in the first part of the standard, ISO/IEC 9126-1, [2] classifies software quality in a structured set of characteristics and sub-characteristics as follows: Functionality - "A set of attributes that bear on the existence of a set of functions and their specified properties. The functions are those that satisfy ...
When a requirement specifies a software system’s quality attributes; refers to its core features; imposes constraints on it; or defines the environment in which it will run, it is likely to be architecturally significant. See discussion of design vs. architecture under software architecture for additional criteria of architectural significance.
Attributes such as "robustness," "accessibility," and "modularity" may be assigned to the software development project. [ 1 ] [ 2 ] While this may be a more formalized, integral process, those using a more agile method of quality management may place less emphasis on strict planning structures. [ 3 ]
A software requirements specification (SRS) is a description of a software system to be developed.It is modeled after the business requirements specification.The software requirements specification lays out functional and non-functional requirements, and it may include a set of use cases that describe user interactions that the software must provide to the user for perfect interaction.
List of system quality attributes; Long-term support; Loose coupling; M. ... Search-based software engineering; Second-system effect; Secure by design; Software ...
Software quality assurance (SQA) is a means and practice of monitoring all software engineering processes, methods, and work products to ensure compliance against defined standards. [1] It may include ensuring conformance to standards or models, such as ISO/IEC 9126 (now superseded by ISO 25010), SPICE or CMMI .