- Posted By: namita
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Posted By namita on June 29, 2017
Car Pooling 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 Cars, Car Booking, Passenger Information, Car Routes, Drivers, Enquiry, Login. 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 Pooling System :
This is the Zero Level DFD of Car Pooling System, where we have eloborated the high level process of Car. It’s a basic overview of the whole Car Pooling System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Drivers,Enquiry and Login showing the system as a single high-level process, with its relationship to external entities of Cars,Car Booking and Passenger Information. It should be easily understood by a wide audience, including Cars,Passenger Information and Drivers In zero leve DFD of Car Pooling System, we have described the high level flow of the Car system.High Level Entities and proccess flow of Car Pooling System:
- Managing all the Cars
- Managing all the Car Booking
- Managing all the Passenger Information
- Managing all the Car Routes
- Managing all the Drivers
- Managing all the Enquiry
- Managing all the Login
First Level Data flow Diagram(1st Level DFD) of Car Pooling System :
First Level DFD (1st Level) of Car Pooling 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 Pooling System system as a whole. It also identifies internal data stores of Login, Enquiry, Drivers, Car Routes, Passenger Information 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 Cars, Passenger Information, Enquiry, Login, Drivers 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 Cars records and generate report of all Cars
- Processing Car Booking records and generate report of all Car Booking
- Processing Passenger Information records and generate report of all Passenger Information
- Processing Car Routes records and generate report of all Car Routes
- Processing Drivers records and generate report of all Drivers
- Processing Enquiry records and generate report of all Enquiry
- Processing Login records and generate report of all Login
Second Level Data flow Diagram(2nd Level DFD) of Car Pooling 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 Pooling System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Enquiry, Drivers, Car Routes, Passenger Information, Car Booking, Cars.Low level functionalities of Car Pooling System
- Admin logins to the system and manage all the functionalities of Car Pooling System
- Admin can add, edit, delete and view the records of Cars, Passenger Information, Drivers, Login
- Admin can manage all the details of Car Booking, Car Routes, Enquiry
- Admin can also generate reports of Cars, Car Booking, Passenger Information, Car Routes, Drivers, Enquiry
- Admin can search the details of Car Booking, Drivers, Enquiry
- Admin can apply different level of filters on report of Cars, Car Routes, Drivers
- Admin can tracks the detailed information of Car Booking, Passenger Information, Car Routes, , Drivers
