Canteen Billing System Dataflow Diagram

Posted By namita on June 29, 2017
Canteen Billing System Data flow diagram is often used as a preliminary step to create an overview of the Canteen without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Canteen process. It contains all of the userflow and their entities such all the flow of Canteen, Products, Orders, Items, Food, Payment, Bill. All of the below diagrams has been used for the visualization of data processing and structured design of the Canteen process and working flow.

Zero Level Data flow Diagram(0 Level DFD) of Canteen Billing System :

This is the Zero Level DFD of Canteen Billing System, where we have eloborated the high level process of Canteen. It’s a basic overview of the whole Canteen Billing System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Food,Payment and Bill showing the system as a single high-level process, with its relationship to external entities of Canteen,Products and Orders. It should be easily understood by a wide audience, including Canteen,Orders and Food In zero leve DFD of Canteen Billing System, we have described the high level flow of the Canteen system.

High Level Entities and proccess flow of Canteen Billing System:

  • Managing all the Canteen
  • Managing all the Products
  • Managing all the Orders
  • Managing all the Items
  • Managing all the Food
  • Managing all the Payment
  • Managing all the Bill
Zero Level Data flow Diagram(0 Level DFD) of Canteen Billing System

First Level Data flow Diagram(1st Level DFD) of Canteen Billing System :

First Level DFD (1st Level) of Canteen 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 Canteen Billing System system as a whole. It also identifies internal data stores of Bill, Payment, Food, Items, Orders that must be present in order for the Canteen system to do its job, and shows the flow of data between the various parts of Canteen, Orders, Payment, Bill, Food 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 Canteen.

Main entities and output of First Level DFD (1st Level DFD):

  • Processing Canteen records and generate report of all Canteen
  • Processing Products records and generate report of all Products
  • Processing Orders records and generate report of all Orders
  • Processing Items records and generate report of all Items
  • Processing Food records and generate report of all Food
  • Processing Payment records and generate report of all Payment
  • Processing Bill records and generate report of all Bill
First Level Data flow Diagram(1st Level DFD) of Canteen Billing System

Second Level Data flow Diagram(2nd Level DFD) of Canteen Billing System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Canteen. It may require more functionalities of Canteen to reach the necessary level of detail about the Canteen functioning. First Level DFD (1st Level) of Canteen Billing System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Bill, Payment, Food, Items, Orders, Products, Canteen.

Low level functionalities of Canteen Billing System

  • Admin logins to the system and manage all the functionalities of Canteen Billing System
  • Admin can add, edit, delete and view the records of Canteen, Orders, Food, Bill
  • Admin can manage all the details of Products, Items, Payment
  • Admin can also generate reports of Canteen, Products, Orders, Items, Food, Payment
  • Admin can search the details of Products, Food, Payment
  • Admin can apply different level of filters on report of Canteen, Items, Food
  • Admin can tracks the detailed information of Products, Orders, Items, , Food
Second Level Data flow Diagram(2nd Level DFD) of Canteen Billing System
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