- Posted By: namita
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Posted By namita on July 7, 2017
Petrol Pump Management System Data flow diagram is often used as a preliminary step to create an overview of the Petrol Pump without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Petrol Pump process. It contains all of the userflow and their entities such all the flow of Fuels, Sales, Stock, Tankers, Meter Readings, Inventory, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Petrol Pump process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Petrol Pump Management System :
This is the Zero Level DFD of Petrol Pump Management System, where we have eloborated the high level process of Petrol Pump. It’s a basic overview of the whole Petrol Pump Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Meter Readings,Inventory and Login showing the system as a single high-level process, with its relationship to external entities of Fuels,Sales and Stock. It should be easily understood by a wide audience, including Fuels,Stock and Meter Readings In zero leve DFD of Petrol Pump Management System, we have described the high level flow of the Petrol Pump system.High Level Entities and proccess flow of Petrol Pump Management System:
- Managing all the Fuels
- Managing all the Sales
- Managing all the Stock
- Managing all the Tankers
- Managing all the Meter Readings
- Managing all the Inventory
- Managing all the Login
First Level Data flow Diagram(1st Level DFD) of Petrol Pump Management System :
First Level DFD (1st Level) of Petrol Pump 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 Petrol Pump Management System system as a whole. It also identifies internal data stores of Login, Inventory, Meter Readings, Tankers, Stock that must be present in order for the Petrol Pump system to do its job, and shows the flow of data between the various parts of Fuels, Stock, Inventory, Login, Meter Readings 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 Petrol Pump.Main entities and output of First Level DFD (1st Level DFD):
- Processing Fuels records and generate report of all Fuels
- Processing Sales records and generate report of all Sales
- Processing Stock records and generate report of all Stock
- Processing Tankers records and generate report of all Tankers
- Processing Meter Readings records and generate report of all Meter Readings
- Processing Inventory records and generate report of all Inventory
- Processing Login records and generate report of all Login
Second Level Data flow Diagram(2nd Level DFD) of Petrol Pump Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Petrol Pump. It may require more functionalities of Petrol Pump to reach the necessary level of detail about the Petrol Pump functioning. First Level DFD (1st Level) of Petrol Pump Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Inventory, Meter Readings, Tankers, Stock, Sales, Fuels.Low level functionalities of Petrol Pump Management System
- Admin logins to the system and manage all the functionalities of Petrol Pump Management System
- Admin can add, edit, delete and view the records of Fuels, Stock, Meter Readings, Login
- Admin can manage all the details of Sales, Tankers, Inventory
- Admin can also generate reports of Fuels, Sales, Stock, Tankers, Meter Readings, Inventory
- Admin can search the details of Sales, Meter Readings, Inventory
- Admin can apply different level of filters on report of Fuels, Tankers, Meter Readings
- Admin can tracks the detailed information of Sales, Stock, Tankers, , Meter Readings
