Employee Attendance System Dataflow Diagram

Posted By namita on July 2, 2017

Employee Attendance System Data flow diagram is often used as a preliminary step to create an overview of the Employee without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Employee process. It contains all of the userflow and their entities such all the flow of Attendance, Employee Attendance, Employees, Holidays, Leave, Login, Authentication. All of the below diagrams has been used for the visualization of data processing and structured design of the Employee process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Employee Attendance System :

This is the Zero Level DFD of Employee Attendance System, where we have eloborated the high level process of Employee. It’s a basic overview of the whole Employee 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 Attendance and Employees. It should be easily understood by a wide audience, including Attendance,Employees and Leave In zero leve DFD of Employee Attendance System, we have described the high level flow of the Employee system.

High Level Entities and proccess flow of Employee Attendance System:

  • Managing all the Attendance
  • Managing all the Employee Attendance
  • Managing all the Employees
  • Managing all the Holidays
  • Managing all the Leave
  • Managing all the Login
  • Managing all the Authentication
Zero Level Data flow Diagram(0 Level DFD) of Employee Attendance System

First Level Data flow Diagram(1st Level DFD) of Employee Attendance System :

First Level DFD (1st Level) of Employee 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 Employee Attendance System system as a whole. It also identifies internal data stores of Authentication, Login, Leave, Holidays, Employees that must be present in order for the Employee system to do its job, and shows the flow of data between the various parts of Attendance, Employees, 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 Employee.

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 Employees records and generate report of all Employees
  • 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
First Level Data flow Diagram(1st Level DFD) of Employee Attendance System

Second Level Data flow Diagram(2nd Level DFD) of Employee Attendance System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Employee. It may require more functionalities of Employee to reach the necessary level of detail about the Employee functioning. First Level DFD (1st Level) of Employee Attendance System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Authentication, Login, Leave, Holidays, Employees, Employee Attendance, Attendance.

Low level functionalities of Employee Attendance System

  • Admin logins to the system and manage all the functionalities of Employee Attendance System
  • Admin can add, edit, delete and view the records of Attendance, Employees, Leave, Authentication
  • Admin can manage all the details of Employee Attendance, Holidays, Login
  • Admin can also generate reports of Attendance, Employee Attendance, Employees, 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, Employees, Holidays, , Leave
Second Level Data flow Diagram(2nd Level DFD) of Employee Attendance System
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