Data Flow Diagram for Online Mobile Shop Management System


Data flow diagram (DFD) for online mobile shop management system is used to create an overview of the online mobile store management system project without going into much detail. In this data flow diagram example, the overall online mobile store management system is represented or described using input, process and output.

The online mobile shop management system DFD diagram gives detailed information about input, output of each process (such as: Mobile Catalogue, Add to Cart, Order Processing) and entity of online mobile shop (such as Customer, Mobile Store Admin).

Checkout: DFD for Online Book Store

Data flow diagram play a very important role in software engineering. There are three levels of data flow diagram level 0, 1 and 2. In this article we will discuss all these three levels of online mobile phone shop DFD.

Data Flow Diagram for Online Mobile Shop Management System Details

NameData Flow Diagram (DFD) for Online mobile phone shop management system
AbstractOnline mobile shop management system data flow diagram is basically a graphical representation of the online mobile store project
Tools UsedMicrosoft Visio
User of DiagramApplication Developer
Designed By123projectlab.com
Data Flow Diagram for Online Mobile Shop Management System Details

Context Level (0 Level) DFD of Online Mobile Shop Management System

Zero level DFD for online mobile shop management system gives an overview of the entire mobile store project. It is the highest level of abstract view of the entire system. This is also called a context diagram for online mobile shop management system. In this level the entire system is represented as a single process and its relationship with external entities.

This data flow diagram has two main entities: Customer and Mobile Store Admin

Level-0 DFD for Online Mobile Shop Management System
Level-0 DFD for Online Mobile Shop Management System

Download Online Mobile Shop Management System Synopsis pdf

Download Synopsis

First Level Data Flow Diagram (Level 1 DFD) For Online Mobile Store Management System

The first level DFD (1st Level) of online mobile shop management system shows a more detailed view of internal processing. There are three sub processes of mobile store level 1 DFD.

Customer Registration: Guest users have to register before placing orders for mobile phones. Customer Registration sub process handles all the customer records. This sub process maintains a master record of all customer’s data.

Product & Order: Online mobile shop has big inventory of mobile phones of different brands. This huge record of mobile phones is maintained by this process.

This process also maintains a record of all the orders placed by customers. Customers can view their previous order history.

Order Tracking: After placing an order for a mobile phone, a unique tracking code is given to the customer. Customers can track their order with this tracking code.

Level-1 DFD for Online Mobile Shop Management System
Level-1 DFD for Online Mobile Shop Management System

Second Level Data Flow Diagram (2nd Level DFD) For Online Mobile Shop Management System

Level 2 DFD for online mobile store management system goes even deeper into the level 1 DFD. It represents how the system is divided into sub-process and also adds information about data stores. Product & Order process is further divided into three sub process:

Mobile Catalogue: Mobile stores has a huge variety of mobile phones of different brands. Mobile Catalogue sub process maintains record of all mobiles and brands. It creates a master record of all mobile phones available in the store for sale.

Add to Cart: Customers can view all available mobile phones in the store and sort them based on price, brand and customer review and add them into cart. It stores selected mobile into a temporary database.

Order Processing: Once a customer adds a mobile to cart, the next step is to checkout. This process is handled by the Order Processing process. As the customer confirms the order a tracking code is given to him. Customer can track his order with this tracking code.

Low level functionality of Online Mobile Shop Management System

  • This is an online application for managing mobile store
  • Mobile store admin has full control over the application
  • Admin can store master records such as mobile phone category (4G/5G), brand, model etc.
  • Customers can sort mobile based on different parameters such as: price, brand name, technology etc.
  • After selecting mobile customer add mobile to cart and checkout
  • For each confirmed order customer is given a tracking code. Customer can track his order with this tracking code.
  • Admin can see all important reports such as customer list, mobile stock report and sale report.
Level-2 DFD for Online Mobile Shop Management System
Level-2 DFD for Online Mobile Shop Management System

The database of online mobile store is composed of following:

  • Customer DB
  • Mobile DB
  • Order DB
  • Order Tracking DB

Summary

Data flow diagram (DFD) for online mobile shop management system helps in understanding internal working of the mobile store project. There are three levels of DFD

  • Context level DFD of Online mobile shop
  • Level 1 DFD of online mobile shop
  • Level 2 DFD of Online mobile shop

Context diagram is the highest abstract level. It gives only an overview of the system and its relationship with external entities, while level 1 and level 2 divides into small sub-processes.

This DFD diagram will help you to showcase working of your project. You can see more diagrams from the DFD examples suggested below.

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