25 questions
0
votes
1
answer
148
views
When drawing the level 1 DFD
When I drawing the level 1 DFD, can I separate each of the interactions between each of the subsystem? For example, one subsystem's interaction between user and admin is in one figure, and another ...
1
vote
1
answer
292
views
Repeating external entities in DFD diagram
I am making a DFD diagram for software that is going to run on a PLC to control a testing setup.In this setup i have 7 load cells and 7 hydraulic valves.
I am wondering if i need to show all 7 of them ...
1
vote
1
answer
166
views
Regarding Data Flow Diagrams for project
I am currently preparing DFD(Data Flow Diagrams) for my project which is a Job Portal. Now on the Company Side there is an option in the home page menu "Jobs Posted". After clicking on it ...
0
votes
1
answer
465
views
Generate data flow graph for ETL process
I would like to generate something like a data flow diagram for an ETL process.
What I want to achieve is to have (the minimal example) two tables - source and destination - both tables with their ...
1
vote
1
answer
50
views
Polymorphism can be described as: [closed]
I have some question for the pre-exam in the Analyst and Design information System, but I very struggle with them.
Here they are, with my answer in italic:
Asychronous message in sequence diagram can:...
-1
votes
1
answer
314
views
DFD Level 0 Diagram for of the month club system
Exercise:
Create a set of use cases for the following system: OTMC is an innovative young firm that sells memberships to people who have an interest in certain products. People pay membership fees ...
1
vote
0
answers
177
views
simulation data flow diagram in Enterprise Architect
I'm using EA 16.1 TRIAL and created it from a pattern that provides an example data flow model. When I started to simulate this, only Process1 works and Simulation Ended is displayed immediately. Is ...
1
vote
1
answer
484
views
How to represent data flow when the same data is exchanged between entity and process?
I have an ecommerce where users can ask questions on the product and the users who bought it can answer the questions and also vote on the questions like amazon , which means that the system will ...
1
vote
1
answer
71
views
Implementing a graph-based SDN network management system as a DFD
Can I use Data Flow Diagram (DFD) to implement an SDN Network Management System? The developed system handles topology modeling and storage (as a Graph in a graph DB), load balancing, security, ...
0
votes
1
answer
369
views
Data Flow Diagram (DFD) Question about how to link caching system with the main API
I’m trying to build a DFD diagram but I was confused about caching system which is used to make the data run faster.
Is the diagram below in correct order or should I make another link from caching ...
1
vote
1
answer
148
views
Correct usage of DFD
I have just started a cybersecurity assignment and this is my first use of DFD. I have started off by attempting to build one according to literature on the web.
I just wanted to know if somebody ...
0
votes
1
answer
79
views
System analysis and design course- System Design chapter
Question is here:
"Program Design presents your final structure chart. Start with physical data flow
diagrams (DFD). Modify your logical DFDs by adding implementation references,
human-machine ...
0
votes
1
answer
345
views
How to show tracking in a user flow diagram?
I have made a user flow diagram but just wanted to ask you guys about clarification on displaying "tracking".
Let's say these are the requirements
User enters a web page to browse products
...
1
vote
1
answer
2k
views
How can i group arrows/generalize in StarUML?
I want to group the arrows coming out of "Hammadde Dağıtım". How can I merge them?
I want to create a view like the picture on top.
1
vote
1
answer
443
views
Does GLIFFY diagram maker supports DFD?
I am using Gliffy tool integrated with Jira and wanted to design data flow diagram but unable to find one. Is that available?
1
vote
1
answer
1k
views
Can you use use read/write on data flow chart?
If I have a front-end application that reads from the API of a backend, then I would have a data flow chart like this, because the data flows from the backend to the frontend:
However, when I would ...
0
votes
1
answer
292
views
Data Flow Diagrams (DFD) modeling doubts
I have some doubts about what would be the most correct way of modelling some things in DFDs. I have the following requirements for a system for a hospital:
"All doctors agendas will available ...
0
votes
0
answers
932
views
How to draw this type of diagram in reactjs
Would you please help me with this diagram? Because I'm stuck on here for the last 2-3 days. but I didn't get any solution.
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-1
votes
1
answer
60
views
Is DFD a real thing or just academic? [closed]
I'm required to take a course about DFD and such at UNI.
I have years of [amateur] experience in development, and never heard of it.
Do developers actually use it?
0
votes
1
answer
1k
views
How to convert a Java source code into a data flow diagram
What is the best method to convert java source code into a data flow diagram? And also is there any method to identify the main elements in a data flow diagram by referring the java source code ...
3
votes
2
answers
6k
views
what is differnece among dfd level 0,1 and 2?
I am working on my documentation of final year project (cardioVascular risk assessment using machine learning model). COuld any one please tell me the difference among dfd level 0, level 1 and level 2....
0
votes
1
answer
202
views
Enterrise Architect MDG Technology in DFD
Thank you in advance for your helping
I am using Sparx Enterprise Architect one year ago, and I have a good experience in it.
Actually, I started to create my own toolbox using MDG Technology, this ...
6
votes
4
answers
5k
views
Eclipse plugin\Java Library to create flow diagrams
I need to create flow diagrams based on specific inputs, using java code, what are best ways\plugins to achieve this.
something like the above diagram (For sample only it is taken from google images)
...
2
votes
3
answers
3k
views
Can 2 entities use same process in Data Flow Diagram (DFD)?
I'm learning how to design a Data Flow Diagram (DFD) for a system. I have a question that I can't answer myself. Let me give a scenario:-
In a system, a Trainer wanted to view his/her own profile ...
29
votes
5
answers
55k
views
Differences between DFD (Data Flow Diagram) and activity diagram
I need to know this differences in order to undestand how to use them right.
Which are the differences of DFD and Activity diagram?