- Posted By: namita
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Posted By namita on June 28, 2017
Attendance Management System Data flow diagram is often used as a preliminary step to create an overview of the Attendance without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Attendance process. It contains all of the userflow and their entities such all the flow of Attendance, Employee Attendance, 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 Attendance process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Attendance Management System :
This is the Zero Level DFD of Attendance Management System, where we have eloborated the high level process of Attendance. It’s a basic overview of the whole Attendance Management 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 Attendance and Student Attendance. It should be easily understood by a wide audience, including Attendance,Student Attendance and Leave In zero leve DFD of Attendance Management System, we have described the high level flow of the Attendance system.High Level Entities and proccess flow of Attendance Management System:
- Managing all the Attendance
- Managing all the Employee Attendance
- 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 Attendance Management System :
First Level DFD (1st Level) of Attendance 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 Attendance Management 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 Attendance 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 Attendance.Main entities and output of First Level DFD (1st Level DFD):
- Processing Attendance records and generate report of all Attendance
- Processing Employee Attendance records and generate report of all Employee Attendance
- 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 Attendance Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Attendance. It may require more functionalities of Attendance to reach the necessary level of detail about the Attendance functioning. First Level DFD (1st Level) of Attendance Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of ##keyword7##, Login, Leave, Holidays, Student Attendance, Employee Attendance, Attendance.Low level functionalities of Attendance Management System
- Admin logins to the system and manage all the functionalities of Attendance Management System
- Admin can add, edit, delete and view the records of Attendance, Student Attendance, Leave, ##keyword7##
- Admin can manage all the details of Employee Attendance, Holidays, Login
- Admin can also generate reports of Attendance, Employee Attendance, Student Attendance, Holidays, Leave, Login
- Admin can search the details of Employee Attendance, Leave, Login
- Admin can apply different level of filters on report of Attendance, Holidays, Leave
- Admin can tracks the detailed information of Employee Attendance, Student Attendance, Holidays, , Leave
