- Posted By: freeproject
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Posted By freeproject on April 27, 2017
Computer Shop Management System Data flow diagram is often used as a preliminary step to create an overview of the Computer Shop without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Computer Shop process. It contains all of the userflow and their entities such all the flow of Computer Shop, Computer, Brand, Warranty, Customer, Sales, Employee. All of the below diagrams has been used for the visualization of data processing and structured design of the Computer Shop process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Computer Shop Management System :
This is the Zero Level DFD of Computer Shop Management System, where we have eloborated the high level process of Computer Shop. It’s a basic overview of the whole Computer Shop Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Customer,Sales and Employee showing the system as a single high-level process, with its relationship to external entities of Computer Shop,Computer and Brand. It should be easily understood by a wide audience, including Computer Shop,Brand and Customer In zero leve DFD of Computer Shop Management System, we have described the high level flow of the Computer Shop system.High Level Entities and proccess flow of Computer Shop Management System:
- Managing all the Computer Shop
- Managing all the Computer
- Managing all the Brand
- Managing all the Warranty
- Managing all the Customer
- Managing all the Sales
- Managing all the Employee
First Level Data flow Diagram(1st Level DFD) of Computer Shop Management System :
First Level DFD (1st Level) of Computer 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 Computer Shop Management System system as a whole. It also identifies internal data stores of Employee, Sales, Customer, Warranty, Brand that must be present in order for the Computer Shop system to do its job, and shows the flow of data between the various parts of Computer Shop, Brand, Sales, Employee, Customer 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 Computer Shop.Main entities and output of First Level DFD (1st Level DFD):
- Processing Computer Shop records and generate report of all Computer Shop
- Processing Computer records and generate report of all Computer
- Processing Brand records and generate report of all Brand
- Processing Warranty records and generate report of all Warranty
- Processing Customer records and generate report of all Customer
- Processing Sales records and generate report of all Sales
- Processing Employee records and generate report of all Employee
Second Level Data flow Diagram(2nd Level DFD) of Computer Shop Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Computer Shop. It may require more functionalities of Computer Shop to reach the necessary level of detail about the Computer Shop functioning. First Level DFD (1st Level) of Computer Shop Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Employee, Sales, Customer, Warranty, Brand, Computer, Computer Shop.Low level functionalities of Computer Shop Management System
- Admin logins to the system and manage all the functionalities of Computer Shop Management System
- Admin can add, edit, delete and view the records of Computer Shop, Brand, Customer, Employee
- Admin can manage all the details of Computer, Warranty, Sales
- Admin can also generate reports of Computer Shop, Computer, Brand, Warranty, Customer, Sales
- Admin can search the details of Computer, Customer, Sales
- Admin can apply different level of filters on report of Computer Shop, Warranty, Customer
- Admin can tracks the detailed information of Computer, Brand, Warranty, , Customer
