(SDLC) Any logical process used by a systems analyst to develop an information system, including requirements, validation, training, and user ownership.
An SDLC should result in a high quality system that meets or exceeds customer expectations, within time and cost estimates, works effectively and efficiently in the current and planned Information Technology infrastructure, and is cheap to maintain and cost-effective to enhance.
US DOJ SDLC (http://usdoj.gov/jmd/irm/lifecycle/table.htm).
- Systems disk
noun 1. a disk used to store computer programs, esp the basic operating programs of a computer
noun 1. an engineer who specializes in the implementation of production systems.
- Systems network architecture
networking (SNA) IBM’s proprietary high level networking protocol standard, used by IBM and IBM compatible mainframes. Also referred to as “Blue Glue”, SNA is a bletcherous protocol once widely favoured at commercial shops. The official IBM definition is “that which binds blue boxes together.” It may be relevant that Blue Glue is also a 3M […]
- System software
operating system Any software required to support the production or execution of application programs but which is not specific to any particular application. System software typically includes an operating system to control the execution of other programs; user environment software such as a command-line interpreter, window system, desktop; development tools for building other programs such […]