JAD Joint Application Design A way of developing new applications or processes, whereby the various viewpoints within the client organisation are sounded in a workshop session, run by an experienced facilitator, and aimed at developing Business, Functional, or Technical Requirements. A way of verifying that a new application or process is what the client organisation wants by showing it to a group representing the various viewpoints in a workshop session, run by an experienced facilitator. An IBM mainframe operating system. The way that usenet newsgroups allow users to exchange information about a given topic within the subject defined for a given newsgroup. The basic software which runs a computer.
Applications run on top of the operating system.
For example, Windows NT is an operating system, and Word or Excel run on top of that. The discipline of managing errors. It is usually meant to cover things such as software testing, the development of test procedures, the writing of test scripts, the measurement of defects, or the application of formal standards such as ISO 9000. An application design technique, where prototypes are used to both validate the requirements and the software being written, thus compressing the analysis and build stages into one. DSDM is a RAD technique.