Which of the following is a characteristic of data-flow diagrams?
A)They are used to model data entities and their relationships.
B)They are quite complicated and seldom used or understood by nontechnical people.
C)They describe the activities that accomplish a business task.
D)They describe the relationship between the different data entities.

Question

Quizplus · Accepted Answer

Data-flow diagrams describe the activities that accomplish a business task, such as the flow of information or data between different entities or processes. A is incorrect because entity-relationship diagrams are better suited for modeling data entities and their relationships. B is incorrect because, while they may be complicated for some, data-flow diagrams are widely used and well understood by technical and non-technical individuals alike. D is incorrect because data-flow diagrams primarily focus on the flow of data, not the relationship between data entities.

Which of the Following Is a Characteristic of Data-Flow Diagrams