YOURDON Systems Method: Model-driven Systems DevelopmentThe method described here draws upon twenty years of experience of YOURDON, Inc., whose business has been applying, adapting, and enhancing system development techniques. This intuitive, model-driven approach to systems development is suitable for both the business information and real-time engineering communities. YOURDON Systems Method (YSM) 3.0 has guided thousands of project teams and individuals, helping them meet tight project deadlines while satisfying user requirements and delivering successful solutions within budget. |
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Page 32
... environments The term ' automated ' will be restricted to an environment in which each of the diagrams , tables and text specifications are regarded as views into an underlying model . Changing the informa- tion in a view automatically ...
... environments The term ' automated ' will be restricted to an environment in which each of the diagrams , tables and text specifications are regarded as views into an underlying model . Changing the informa- tion in a view automatically ...
Page 423
... environment A system is a collection of functions and information , organised to a specific purpose or purposes . It may already exist , or there may be plans to construct it . A system fits into a larger environment containing ...
... environment A system is a collection of functions and information , organised to a specific purpose or purposes . It may already exist , or there may be plans to construct it . A system fits into a larger environment containing ...
Page 496
... environment With an automated support environment , the event - response DFD is a required view into the model . With pencil and paper support environments , the event - response DFD may be regarded as a temporary , working diagram ...
... environment With an automated support environment , the event - response DFD is a required view into the model . With pencil and paper support environments , the event - response DFD may be regarded as a temporary , working diagram ...
Contents
Introduction | 1 |
Modelling Tools 35 3 | 35 |
The Enterprise Essential Model | 367 |
Copyright | |
3 other sections not shown
Common terms and phrases
abstract data type access flow allowed associative entity specification bSTD context diagram continuous data flow continuous event flow control process corresponding create data flow diagram data items data process data store defined delete described discrete data flow discrete event flow discrete process discussed Enterprise Essential Model entities and relationships entity relationship diagram entity-event table entry eSTD event store example flow specification function given Guidelines identifier Implementation Model information model inherited Instructor interface internal model machine manual meaning minispec model components Modelling Tools number of occurrences operation organisation output parameters parent ADT participate Patient pencil and paper post-condition process group processors real-world referred relationship frame relationship specification release of YSM response restriction Rules Scheduled course shown stimulus structure structure chart subtype supertype system ERD System Essential Model system modelling techniques terminator Transition Diagram type conversion update variable