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 275
... operations to be defined and added to those already available . Each operation that is added in this way requires an operation specification . Each operation requires one or more inputs and returns one or more results . ( Very rarely , an ...
... operations to be defined and added to those already available . Each operation that is added in this way requires an operation specification . Each operation requires one or more inputs and returns one or more results . ( Very rarely , an ...
Page 277
... Operation Each operation has a name by which it is identified . This name is unique within the enterprise and is entered here to indicate which operation is being defined . For example : OPERATION : area product The following are also ...
... Operation Each operation has a name by which it is identified . This name is unique within the enterprise and is entered here to indicate which operation is being defined . For example : OPERATION : area product The following are also ...
Page 278
... operation is used each of these must be replaced by values of the correct data type . The values used each time the operation is invoked are referred to as the actual arguments . ( The process of associat- ing the values of the actual ...
... operation is used each of these must be replaced by values of the correct data type . The values used each time the operation is invoked are referred to as the actual arguments . ( The process of associat- ing the values of the actual ...
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