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 165
... active ; when the terminator is not active , the flow will not be available . Generally speaking , the system cannot control the periods of time at which the terminator is active ( although it may output event flows to the terminator ...
... active ; when the terminator is not active , the flow will not be available . Generally speaking , the system cannot control the periods of time at which the terminator is active ( although it may output event flows to the terminator ...
Page 188
... active ' sense . Used in the passive sense , it describes the status ( or statuses ) of some type . This could be the status of a real - world device , or it could be an indication of ongoing behaviour , output be a control process ...
... active ' sense . Used in the passive sense , it describes the status ( or statuses ) of some type . This could be the status of a real - world device , or it could be an indication of ongoing behaviour , output be a control process ...
Page 197
... active ; ⚫ the source is active , but has determined that the event flow does not need to be generated . The receiver of a discrete event flow has no way of determining which of these is true at any time it has not received the ...
... active ; ⚫ the source is active , but has determined that the event flow does not need to be generated . The receiver of a discrete event flow has no way of determining which of these is true at any time it has not received the ...
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