College Management System DFD (Data Flow Diagram) Level 0, 1 and 2
The DFD (Data Flow Diagram) of College Management System depicts the overall of flow of data inside the system. Its focus is in the movement of data that enters and exits the system. College Management System DFD Diagram comes with three major levels which were the level 0 (context diagram), level 1, and level 2.
The DFD Levels has their roles in emphasizing the College Management System Data Flow Diagram. The Level 0 or Context Diagram presents the singe and main process of College Management System as well as the main users and the data, whereas the DFD Level 1 and 2 portrays specific process and sub processes and the detailed movement of data.
Here’s what you need to know.
The Data Flow Diagram (DFD) represents the flow of data and the transformations in College management system. These transformations occurs as data enters and exits a system. The College Management system mainly focus on the tertiary education activities and processes which will serve as the basis of DFD diagram development.
The following are the potential data that flows in College Management System:
- Student Information
- Courses and Subjects
These potential inputs (data) can also be seen in other diagrams that builds up the whole system. Since Systems were not just about the data inputs and outputs but also the processes and backbone structures. So to create a well-engineered College Management System, aside from DFD you can also use diagrams that follows to furnish your project. We have:
- College Management System Project UML Diagrams
- Class Diagram
- Sequence Diagram
- Activity Diagram
- Use Case Diagram
- ER Diagram (Entity Relationship Diagram)
You can also have the College Management System ideas from free programming projects with full source codes here: College Management System Project Report, Documentations, Coding, Abstract, PDF, Diagram & PPT.
Best Data Flow Diagram for College Management System | College Management System DFD Level 0, 1 and 2
Time needed: 10 minutes.
Here’s the Data Flow Diagram levels 0, 1 and 2 for College Management System and the step-by-step way on how to create College Management System DFD.
- College Management System DFD Level 0 (Context Diagram)
The College Management System DFD level 0 portrays the systems’ abstract view or the single process with its external parties. It depicts the overall structure as a single bubble that comes with incoming/outgoing indicators showing input and output data. This serves as the main idea that reveals the main process, users and the data that roams the system.
In this data flow diagram you will see the general process done in College management system. You can see the main function of the project, it primary users (external entities) and data flow (labeled arrows).
- College Management System DFD Level 1
Next to the college management system context diagram is the DFD level 1 diagram. Its’ content is derived from the context diagram and is broken down into sub processes. This is to let the programmer know what are the included processes and data inputs are included on the system.
You’ll see in the illustration that the data processes and flow broadens while the external entities stays the same. That is because the revealed external entities were the targeted users when the project is done.
You will know the broaden context terms with being knowledgeable about the DFD level 1. This also serve as the reference on how the system manages the inputs or data fed on the college management system. You’ll also be informed about the outputs that the system gives. And the processes shown here were all based on the concept of College Management System.
- DFD for College Management System Level 2
After presenting the DFD levels 0 and 1, next to that is level 2. The DFD level 2 is the highest data flow diagram abstraction level of College management system. The data handling is also emphasized with the data storage (database) included. The role of databases were to store the that enters the system and to serve as the source of data outputs.
DFD level 2 let’s you know the ideas on where does the data inputs goes and inputs comes within the project. You can determine well the importance of breaking the processes into more specific manner once you understand the work of Data Flow Diagram (DFD).
The presented level not only shows you the detailed processes of system, but also gives you precise destination of the data that flows in the system. This DFD diagrams will also be your references as you make your own College management system DFD levels 0, 1 and 2.
As you see, when you build the levels of data flow diagrams, the connections of the transactions and data also broadens and gets more specific. These processes shown in the Data Flow Diagram were all based on the concept of College Management System.
Additional Knowledge on DFD Levels 0, 1 and 2 of College Management System
What is College Management System DFD level 0?
DFD level 0 or also known as context diagram represents the system’s general process with external entities into single node. It depicts the overall structure with labeled arrows indicating the input and output data. Its illustration shows the main process (represented by a box), the external entities and the data flow inside the system.
Context diagram is the main basis of the proceeding DFD Levels. It will guide the programmers and developers in determining the included processes and data flows as well as the database that be used to complete the system.
College Management System DFD level 1
DFD Level 1 provides broad overview and greater depth of context diagram. The single process node from the context diagram is broken down into sub processes as well as that data information. This is to emphasize the included processes and data to complete the function of College Management System.
The DFD level 1 lists all of the major sub-processes and data that makes up the entire system. It is also thought of as a “detonated view” of the context diagram because content was based on DFD Level 0.
College Management System DFD level 2
The DFD level 2 delves even deeper into the concepts of DFD Level 1. It can be used to plan and record all of the specific/necessary information about how the system works. DFD Level 2 is also considered the DFD’s highest abstraction level of all the Data Flow Diagrams mentioned.
The reason why the DFD Level 2 was the Highest abstraction level is because it contains all the needed information to complete the illustration of the System Data Flow Diagram. It adds the data storage into the portrayal of DFD Level 1. The illustration then gives the exact and complete details on how to construct the system.in terms of data handling.
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