Context Level
This level shows the overall framework of the system and it's operating environment and shows the whole system as just one process
Level 0
Now the one function in the context level is divided in four sub-functions to help identify the change as a result of a operation in the data model.
Now the one function in the context level is divided in four sub-functions to help identify the change as a result of a operation in the data model.
1 comment:
Hi, the circles of your DFD should represent 'actions" or "verbs" rather than nouns......as they are the processes that the entities perform.
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