![]() ![]() Processing Employee records and generate report of all Employee.Processing Customer records and generate report of all Customer.Processing Car records and generate report of all Car. ![]() Main entities and output of First Level DFD (1st Level DFD): You will highlight the main functionalities of Car Shop. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. It also identifies internal data stores of Payment, Booking, Sales, Test Ride, Employee that must be present in order for the Car Shop system to do its job, and shows the flow of data between the various parts of Car, Employee, Booking, Payment, Sales of the system. First Level Data flow Diagram(1st Level DFD) of Car Shop Management System :įirst Level DFD (1st Level) of Car Shop Management 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 Shop Management System system as a whole.
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