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Questions tagged [diagrams]

Diagrams are use in modeling techiques to represent graphically a set of software elements.

1 vote
2 answers
42 views

Do data stores in a Level 1 DFD have to match the tables in the ERD exactly?

We're developing an anomaly detection web app as a Capstone Project, and we're currently revising our manuscript. In our last capstone defense, one of our panelists mentioned that the data stores in ...
Bronwyn Rojas's user avatar
2 votes
3 answers
472 views

Diagram for Parallel processes

What type of diagram can I use to model parallel processes interacting with a shared set of resources, along with the state of those resources at each point in time? My motivation is I have a bug that ...
Rob Mosher's user avatar
0 votes
1 answer
116 views

How to adjust the component diagram in this case for better readability?

I have created a Python code where a main algorithm uses three different modules (.py) after importing them. To illustrate and describe it I have create the following component diagram? Could it be ...
Patrick Schulz's user avatar
1 vote
1 answer
141 views

Does the current Use Case Diagram clearly represent how users interact with the system?

Detailed Idea for the Dermatech System Main Idea of the System: Dermatech is an AI-based system that operates through a mobile application, designed to assist users in diagnosing primary skin ...
Shahad At's user avatar
1 vote
0 answers
30 views

Is the activation box allowed to hang across the entire life line or is stacking them a better option? [duplicate]

I'm trying to learn UML, and right now I'm focusing on sequence diagrams. I'm trying to represent this Java code in a diagram. I'm very unsure about the activation boxes. Could somebody maybe provide ...
Map Kami's user avatar
3 votes
2 answers
124 views

database as distinct operations in the Use Case diagram

I'm working on analyzing an application for skin disease diagnosis using AI. Here's the scenario: User Interaction: The user logs in to the application, uploads or captures an image of their skin ...
Shahad At's user avatar
-1 votes
1 answer
78 views

Infrastructural diagram with many heterogenous elements

I want to create an infrastructure diagram that has many heterogeneous elements. E.g. PSTN, satelite, public internet, private network interconnected servers etc. Similar to the composition in the ...
Jim's user avatar
  • 359
-1 votes
3 answers
236 views

Mixing up UML and non-UML diagrams

When designing a data-intensive software, or any kind of software, regardless of the platform, is it appropriate to mix UML and non-UML diagrams together in the design document of the software? For ...
Acemad's user avatar
  • 115
3 votes
1 answer
143 views

Required sequential actions in use case diagram

I am creating a use case diagram for an elevator control system program, and I am a little confused about using includes for sequential actions. What I mean is that when the user calls the elevator, ...
Carter Karl Falkenberg's user avatar
2 votes
2 answers
197 views

How to document a concurrent communication protocol for less theoretical people

We are developing a multi-user web-based application, where the users can join a "room" and a complicated handshake has to be set up between them, to be able to use a library on each ...
staccato's user avatar
1 vote
3 answers
320 views

Why does this use case diagram consider system behavior a use case

Please help me understand why, in this diagram, "Validate User" is considered a use case. My understanding is that to qualify as one, a use case must: Be initiated by an actor; Represent ...
mxfe's user avatar
  • 113
1 vote
1 answer
324 views

UML Component diagram: Dangling interfaces or connecting two

I'm a novice in UML component diagrams. How would I draw the following situation? I have an << item >> called "DataAquisition". This item consists of a << unit >> ...
Max's user avatar
  • 111
0 votes
2 answers
277 views

What is a possible order of these actions in this Activity Diagram?

Context: This is from a practice exam, and we aren't sure what the proper answer was Question: What is a possible order of actions for this activity diagram? Options: A->B->D or A->B->C-&...
A P's user avatar
  • 111
0 votes
1 answer
2k views

In C4 model, "External" means External to the Org or External to the System scope?

I am currently drawing a "C4 Containers" Architecture diagram using C4 Model. The Core Software System of System Context diagram is now exploded further into the Containers diagram (should ...
KrishPrabakar's user avatar
3 votes
2 answers
750 views

Does UML have a grammar that correlates to its diagrams?

UML is generally taught as a standardized way of diagramming software, however, I've heard recently that there's an actual grammar behind it. I've searched the UML specification and haven't found ...
Visual Studio's user avatar

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