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