Car Sharing System Dataflow Diagram

Posted By freeproject on April 14, 2017

Car Sharing System Data flow diagram is often used as a preliminary step to create an overview of the Car without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Car process. It contains all of the userflow and their entities such all the flow of Booking, Customer, Payment, Insurance, Car History, Memebership, Destination. All of the below diagrams has been used for the visualization of data processing and structured design of the Car process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Car Sharing System :

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

High Level Entities and proccess flow of Car Sharing System:

  • Managing all the Booking
  • Managing all the Customer
  • Managing all the Payment
  • Managing all the Insurance
  • Managing all the Car History
  • Managing all the Memebership
  • Managing all the Destination
Zero Level DFD Car Sharing System

First Level Data flow Diagram(1st Level DFD) of Car Sharing System :

First Level DFD (1st Level) of Car Sharing 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 Car Sharing System system as a whole. It also identifies internal data stores of Destination, Memebership, Car History, Insurance, Payment that must be present in order for the Car system to do its job, and shows the flow of data between the various parts of Booking, Payment, Memebership, Destination, Car History 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 Car.

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

  • Processing Booking records and generate report of all Booking
  • Processing Customer records and generate report of all Customer
  • Processing Payment records and generate report of all Payment
  • Processing Insurance records and generate report of all Insurance
  • Processing Car History records and generate report of all Car History
  • Processing Memebership records and generate report of all Memebership
  • Processing Destination records and generate report of all Destination
First Level DFD Car Sharing System

Second Level Data flow Diagram(2nd Level DFD) of Car Sharing System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Car. It may require more functionalities of Car to reach the necessary level of detail about the Car functioning. First Level DFD (1st Level) of Car Sharing System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Destination, Memebership, Car History, Insurance, Payment, Customer, Booking.

Low level functionalities of Car Sharing System

  • Admin logins to the system and manage all the functionalities of Car Sharing System
  • Admin can add, edit, delete and view the records of Booking, Payment, Car History, Destination
  • Admin can manage all the details of Customer, Insurance, Memebership
  • Admin can also generate reports of Booking, Customer, Payment, Insurance, Car History, Memebership
  • Admin can search the details of Customer, Car History, Memebership
  • Admin can apply different level of filters on report of Booking, Insurance, Car History
  • Admin can tracks the detailed information of Customer, Payment, Insurance, , Car History
Second Level DFD Car Sharing System
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