- Posted By: namita
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Posted By namita on July 1, 2017
Customer Information Maintenance System Data flow diagram is often used as a preliminary step to create an overview of the Customer without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Customer process. It contains all of the userflow and their entities such all the flow of Customer, Documents, Cards, Login, Charges, Payments, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Customer process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Customer Information Maintenance System :
This is the Zero Level DFD of Customer Information Maintenance System, where we have eloborated the high level process of Customer. It’s a basic overview of the whole Customer Information Maintenance System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Charges,Payments and Login showing the system as a single high-level process, with its relationship to external entities of Customer,Documents and Cards. It should be easily understood by a wide audience, including Customer,Cards and Charges In zero leve DFD of Customer Information Maintenance System, we have described the high level flow of the Customer system.High Level Entities and proccess flow of Customer Information Maintenance System:
- Managing all the Customer
- Managing all the Documents
- Managing all the Cards
- Managing all the Login
- Managing all the Charges
- Managing all the Payments
- Managing all the Login
First Level Data flow Diagram(1st Level DFD) of Customer Information Maintenance System :
First Level DFD (1st Level) of Customer Information Maintenance 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 Customer Information Maintenance System system as a whole. It also identifies internal data stores of Login, Payments, Charges, Login, Cards that must be present in order for the Customer system to do its job, and shows the flow of data between the various parts of Customer, Cards, Payments, Login, Charges 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 Customer.Main entities and output of First Level DFD (1st Level DFD):
- Processing Customer records and generate report of all Customer
- Processing Documents records and generate report of all Documents
- Processing Cards records and generate report of all Cards
- Processing Login records and generate report of all Login
- Processing Charges records and generate report of all Charges
- Processing Payments records and generate report of all Payments
- Processing Login records and generate report of all Login
Second Level Data flow Diagram(2nd Level DFD) of Customer Information Maintenance System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Customer. It may require more functionalities of Customer to reach the necessary level of detail about the Customer functioning. First Level DFD (1st Level) of Customer Information Maintenance System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Payments, Charges, Login, Cards, Documents, Customer.Low level functionalities of Customer Information Maintenance System
- Admin logins to the system and manage all the functionalities of Customer Information Maintenance System
- Admin can add, edit, delete and view the records of Customer, Cards, Charges, Login
- Admin can manage all the details of Documents, Login, Payments
- Admin can also generate reports of Customer, Documents, Cards, Login, Charges, Payments
- Admin can search the details of Documents, Charges, Payments
- Admin can apply different level of filters on report of Customer, Login, Charges
- Admin can tracks the detailed information of Documents, Cards, Login, , Charges
