06-05-2017, 03:00 PM
This is the online book shopping site. By which the user can put details of the books and the user can search it, can be a member of the site, buy books online, and see other related books by the same author or category. The user can view the detail of the book online from anywhere through the internet and buy it with PayPal payment and credit card.
Data flow diagrams are used to show how data is processed within some business processes. The development of DFD is a common practice for the modeling and analysis of business processes. This diagram represents the flow of business in the online store. Describe the inputs and outputs within the online sales process and describe the interactions between your participants. This DF diagram can be used by system analysts to create an overview of a business, to study and discover its inherent strengths and weaknesses.