The DFD Online Examination System is frequently used as a preliminary step to create an overview of software without going into great detail, which can then be elaborated.
Further, It typically consists of overall application dataflow and Online Examination System processes.
Project Name and Details:
| Name: | Online Examination System DFD (Dataflow Diagram) |
| Abstract: | Diagraming tools that provide data flow diagram symbols. |
| Diagram: | DFD also known as Data Flow Diagram |
| Users: | Student, Examinees, and Exam Provider |
| Tools Used: | Diagraming tools that provides data flow diagram symbols. |
| Designer: | Sourcecodehero |
What is DFD for Online Examination System
The Dataflow Diagram is used to create an overview of the online examination system without going into too much detail. Moreover, it is used to administer student exams online using a computer system.
WHY DFD for Online Examination System IS IMPORTANT ?
The Online Examination System provides the inputs and outputs of each process and entity in the system, such as a student, exam administrator, question paper, questions, and so on.
The Data Flow Diagram levels has their roles in emphasizing the level 0 or Context Diagram presents the single and main process of system as well as the main users and the data, whereas the Data Flow Diagram Level 1 and 2 portrays specific process and sub processes and the detailed movement of data.
0 level DFD for Online Examination System
This is the Zero 0 Level DFD of Online Examination System, where we have elaborated the high level process of the system. The level 0 DFD diagram displays the abstract view of the system or the single process with its external parties.
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.
It represents the overall structure as a single bubble with incoming/outgoing indicators that display input and output data. This is the main idea that reveals the main process, users, and data that circulates throughout the system.
Level 1 DFD for Online Examination System
Level 1 DFD (1st Level) of Online Examination System shows how the application is divided into sub-systems (processes), each of which deals with one or more data flows. Also, its’ content is derived from the context diagram and is broken down into sub processes.
Level 1 DFD enumerates all of the major sub processes that comprise the entire system. It also identifies the data store of the student record, which contains all of the student’s data, which contains several master data used throughout the system, such as class data, subject data, question data, and so on.
A level 1 DFD describes each of the major sub-processes that comprise the entire system. A level 1 DFD can be thought of as a “exploded view” of the context diagram. It basic system modules and data flow among various modules Level 1 DFD also mentions fundamental processes and information sources.
How to draw a DFD for Online Examination System
Time needed: 5 minutes
Here how to create DFD for Online Examination System Project. It is data flow diagram which is a graphical view of how data is processed in a system in terms of input and output.
- Context Diagram
In this data flow diagram you will see the general process done in online examination system. You can see the main function of the project, it primary users (external entities) and data flow (labeled arrows).
- Online Examination System DFD Level 1
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.
- DFD for Online Examination System Level 2
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 student management system DFD levels 0, 1 and 2.
Conclusion:
It is very important for you to know the diagrams that used to design and build the Online Examination System.
That is to help you build a fully-functioning system with the help of DFD, so that you can use it. Creating a DFD will help you see what inputs and outputs the system needs to process and transform. Not only that, but you can also connect its diagram to other diagrams,
Related Articles from Author:
- Hospital Management System DFD
- Library Management System Data Flow Diagram
- Online Shopping System DFD (Data Flow Diagram)
- Hotel Management System Use Case Diagram
- DFD for Banking System (DATA FLOW DIAGRAM)
Inquiries
If you have inquiries or suggestions about DFD for Online Examination System, just leave us your comments below. We would be glad to know to concerns and suggestions and be part of your learning.
Keep us updated and Good day!