Software Quality Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing software quality and related products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • Q

    quality gate

    A quality gate is a milestone in an IT project that requires that predefined criteria be met before the project can proceed to the next phase.

  • R

    rapid application development (RAD)

    Rapid application development (RAD) is a model based on the concept that higher-quality products can be developed faster through more expedient processes, such as early prototyping, reusing software components and less formality in team communications.

  • rapid mobile app development (RMAD)

    Rapid mobile application development (RMAD) uses low-code/no-code programming tools to speed the process of application creation for mobile platforms.

  • Rational Unified Process (RUP)

    Rational Unified Process (RUP) is an object-oriented and Web-enabled program development methodology.

  • regression testing

    Regression testing is a type of software test that assesses if changes to an application, or other related software components, introduce defects.

  • regular expression (regex)

    A regular expression (sometimes abbreviated to "regex") is a way for a computer user or programmer to express how a computer program should look for a specified pattern in text and then what the program is to do when each pattern match is found.

  • release

    A release is the distribution of the final version of an application. (Continued...)

  • release plan

    In agile software development, a release plan is an evolving flowchart that describes which features will be delivered in upcoming releases. (Continued...)

  • requirements analysis (requirements engineering)

    Requirements analysis, also called requirements engineering, is the process of determining user expectations for a new or modified product.

  • rescoring

    Rescoring is an Agile software development process in which the development team revisits a pre-defined list of user stories to review story point scores and adjust them up or down based on what the team has learned in previous development iterations.  

  • reuse-oriented model or reuse-oriented development (ROD)

    The reuse-oriented model, also called reuse-oriented development (ROD), is a method of software development in which a program is refined by producing a sequence of prototypes called models, each of which is automatically derived from the preceding one according to a sequence of defined rules... (Continued)

  • reverse engineering

    Reverse engineering is taking apart an object to see how it works in order to duplicate or enhance the object.

  • runtime

    Runtime is when a program is running (or being executable).

  • S

    S-HTTP (Secure HTTP)

    S-HTTP (Secure HTTP) is an extension to the Hypertext Transfer Protocol (HTTP) that allows the secure exchange of files on the World Wide Web.

  • Scrum

    Scrum is a collaborative Agile development framework that breaks large processes down into small pieces in order to streamline efficiency.

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