0
Advantages of data flow diagram:
· A simple graphical technique which is easy to understand.
· It helps in defining the boundaries of the system.
· It is useful for communicating current system knowledge to the users.
· It is used as the part of system documentation file.
· It explains the logic behind the data flow within the system.
Disadvantages of data flow diagram:
· Data flow diagram undergoes lot of alteration before going to users, so makes the process little slow.
· Physical consideration are left out.
· It make the programmers little confusing towards the system.
· Different DFD models have different symbols like in Gane and Sarson process is represented as rectangle where as in DeMarco and Yourdan symbol it is represented as eclipse.
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoit means u r gay
Add your answer:
Earn +20 pts
What are the disadvantages of sankey diagrams?
Sankey diagrams are a type of flow diagram that describes the flow of resources proportional to the flow quantity. It is used in many industries and used to highlight necessary flows. Disadvantages of Sankey Diagram: Audiences who don't have enough idea on data visualization feel difficulty in understanding Sankey diagrams. Sankey diagrams make it hard to understand the flows of similar widths. This diagram requires a long explanation as everyone is not familiar with it.
Data flow diagrams of civil service system?
data flow diagram for civil supply services
What are pictorial figures that represent programs?
There are many such systems of diagrams used to aid program design (e.g. data flow diagrams, entity relationship diagrams, control flow diagrams, flowcharts).
What is the difference between different levels of data flow diagrams?
i have no answer
How do you draw data flow diagrams for a prison management system?
correctly
Data flow diagrams trace all data in an information system from the point at which data enters the system to its final resting place?
Data Flow Diagram
What must be included in a software specification document?
Data and control flow diagrams
What are the four advantages of using a data flow approach over narrative explanations of data movement?
1.The data flow approach has four main advantages over the narrative explanation of the data movement. They are: A. Freedom from committing to the technical implementation of the system too early B. Further understanding of the interrelationships of systems and subsystems C. Communicating current system knowledge to users through data flow diagrams D. Analysis of the proposed system to determine if all the data and processes have been defined.
Data flow diagram for ATM machine?
data flow diagrams of personal banking system
How do you create data flow diagrams for web based movie reservation system?
fgdfgdfgdfgdg hgfhfhfghf---- ---- ---- ----
Dataflow diagrams for online bus ticket reservation?
i need data flow diagram for redbus.in
Which phase of the system development life cycle are flowcharts and data-flow diagrams developed?
Design
