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For any data flow diagram first look at the existing processes. Student registration, class selection, professor/teacher class assignment, testing, grading and I am sure the list goes on. Once you have provided the beginning scope of the software by pruning the list of existing processes you can then develop a list of documents and communications that are used to transfer information and authority to others in the system. It is these documents and activities that are data flow items. The entities that are involved in sending or receiving these same communications are nodes in the system. Of course this is cursory and very general answer.
Wiki User
∙ 11y ago
Wiki User
∙ 8y agoA data flow diagram is one that shows the flow of data in the system. TO draw a DFD one need to know different symbols used like a rectangular box to show the process and arrow to show the flow of direction. For a DFD of Hotel management system one should first identify the entities their attributes and different processes that are to carried out.
Wiki User
∙ 15y agohello!!
You can try this link..
http://web.iiit.ac.in/~kamisetty/projects/uml.html
it may be helpful.. This is also useful
Wiki User
∙ 12y agoyou need a patient, doctor, equipment and appointment table
Wiki User
∙ 12y agodata flow diagram for a hospital system
Wiki User
∙ 12y agogive data flowdiagram
Wiki User
∙ 11y agodata flow diagram for clinic
Wiki User
∙ 10y agoyes
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