- Posted By: freeproject
- Comments: 0
Posted By freeproject on April 14, 2017
Examination Management System Data flow diagram is often used as a preliminary step to create an overview of the Examination without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Examination process. It contains all of the userflow and their entities such all the flow of Timetable, Exam, Class, Student, Branch, Course, Subject. All of the below diagrams has been used for the visualization of data processing and structured design of the Examination process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Examination Management System :
This is the Zero Level DFD of Examination Management System, where we have eloborated the high level process of Examination. It’s a basic overview of the whole Examination Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Branch,Course and Subject showing the system as a single high-level process, with its relationship to external entities of Timetable,Exam and Class. It should be easily understood by a wide audience, including Timetable,Class and Branch In zero leve DFD of Examination Management System, we have described the high level flow of the Examination system.High Level Entities and proccess flow of Examination Management System:
- Managing all the Timetable
- Managing all the Exam
- Managing all the Class
- Managing all the Student
- Managing all the Branch
- Managing all the Course
- Managing all the Subject
First Level Data flow Diagram(1st Level DFD) of Examination Management System :
First Level DFD (1st Level) of Examination Management System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Examination Management System system as a whole. It also identifies internal data stores of Subject, Course, Branch, Student, Class that must be present in order for the Examination system to do its job, and shows the flow of data between the various parts of Timetable, Class, Course, Subject, Branch of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of Examination.Main entities and output of First Level DFD (1st Level DFD):
- Processing Timetable records and generate report of all Timetable
- Processing Exam records and generate report of all Exam
- Processing Class records and generate report of all Class
- Processing Student records and generate report of all Student
- Processing Branch records and generate report of all Branch
- Processing Course records and generate report of all Course
- Processing Subject records and generate report of all Subject
Second Level Data flow Diagram(2nd Level DFD) of Examination Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Examination. It may require more functionalities of Examination to reach the necessary level of detail about the Examination functioning. First Level DFD (1st Level) of Examination Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Subject, Course, Branch, Student, Class, Exam, Timetable.Low level functionalities of Examination Management System
- Admin logins to the system and manage all the functionalities of Examination Management System
- Admin can add, edit, delete and view the records of Timetable, Class, Branch, Subject
- Admin can manage all the details of Exam, Student, Course
- Admin can also generate reports of Timetable, Exam, Class, Student, Branch, Course
- Admin can search the details of Exam, Branch, Course
- Admin can apply different level of filters on report of Timetable, Student, Branch
- Admin can tracks the detailed information of Exam, Class, Student, , Branch
