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