Fast Food Corner Portal Dataflow Diagram

Posted By namita on July 3, 2017

Fast Food Corner Portal Data flow diagram is often used as a preliminary step to create an overview of the Fast Food Corner without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Fast Food Corner process. It contains all of the userflow and their entities such all the flow of Food, Rates, Items, Payments, Receipts, Customers, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Fast Food Corner process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Fast Food Corner Portal :

This is the Zero Level DFD of Fast Food Corner Portal, where we have eloborated the high level process of Fast Food Corner. It’s a basic overview of the whole Fast Food Corner Portal or process being analyzed or modeled. It’s designed to be an at-a-glance view of Receipts,Customers and Login showing the system as a single high-level process, with its relationship to external entities of Food,Rates and Items. It should be easily understood by a wide audience, including Food,Items and Receipts In zero leve DFD of Fast Food Corner Portal, we have described the high level flow of the Fast Food Corner system.

High Level Entities and proccess flow of Fast Food Corner Portal:

  • Managing all the Food
  • Managing all the Rates
  • Managing all the Items
  • Managing all the Payments
  • Managing all the Receipts
  • Managing all the Customers
  • Managing all the Login
Zero Level Data flow Diagram(0 Level DFD) of Fast Food Corner Portal

First Level Data flow Diagram(1st Level DFD) of Fast Food Corner Portal :

First Level DFD (1st Level) of Fast Food Corner Portal 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 Fast Food Corner Portal system as a whole. It also identifies internal data stores of Login, Customers, Receipts, Payments, Items that must be present in order for the Fast Food Corner system to do its job, and shows the flow of data between the various parts of Food, Items, Customers, Login, Receipts 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 Fast Food Corner.

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

  • Processing Food records and generate report of all Food
  • Processing Rates records and generate report of all Rates
  • Processing Items records and generate report of all Items
  • Processing Payments records and generate report of all Payments
  • Processing Receipts records and generate report of all Receipts
  • Processing Customers records and generate report of all Customers
  • Processing Login records and generate report of all Login
First Level Data flow Diagram(1st Level DFD) of Fast Food Corner Portal

Second Level Data flow Diagram(2nd Level DFD) of Fast Food Corner Portal :

DFD Level 2 then goes one step deeper into parts of Level 1 of Fast Food Corner. It may require more functionalities of Fast Food Corner to reach the necessary level of detail about the Fast Food Corner functioning. First Level DFD (1st Level) of Fast Food Corner Portal shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Customers, Receipts, Payments, Items, Rates, Food.

Low level functionalities of Fast Food Corner Portal

  • Admin logins to the system and manage all the functionalities of Fast Food Corner Portal
  • Admin can add, edit, delete and view the records of Food, Items, Receipts, Login
  • Admin can manage all the details of Rates, Payments, Customers
  • Admin can also generate reports of Food, Rates, Items, Payments, Receipts, Customers
  • Admin can search the details of Rates, Receipts, Customers
  • Admin can apply different level of filters on report of Food, Payments, Receipts
  • Admin can tracks the detailed information of Rates, Items, Payments, , Receipts
Second Level Data flow Diagram(2nd Level DFD) of Fast Food Corner Portal
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