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Data flow diagrams

giro.gr1, on Monday 28 April 2008 à 11:57:52
Hello,
Why is it necessary to have adata flow diagram?is it a mandatory one or do we have any advantages to have it?
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vanniva, on Monday 28 April 2008 à 13:17:48
hi

ya its necessary to have a DFD for efficiency because DFDs are simple notataions that can be easily understood by the users and those involved into the sysytem.The users can examine charts and pinpoint problems before design work starts.
   
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tlhonza, on Tuesday 17 June 2008 à 10:48:51
a research on how best you can come up with the current system summary(data flow diagram,level o and level 1)
   
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 balolo, on Tuesday 8 July 2008 à 10:04:46
i need data flow diagram for sign up process
   
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