![]() ![]() ![]() Application software that runs on the underlying hardware and operating system.The entity purchasing a product (customer) For each of the components, there are specific sections that constitute the system, which include the supermarket’s central warehouse for the storage of different products.Ī critical analysis of the system shows that the main elements used to define the order processing system are grouped into there: The transaction processing system in the case study consists of various components, which include the business event or transaction component, the detailed report system, the transaction processing system, and the organization’s database (Shelly & Rosenblatt, 2010). The resulting system consisted of various components that could interact at different levels to fulfill the system development objectives. The data flow diagrams and entity relationship diagrams were used to show how the system could be coded using any programming language. The system objects, which include and their table attributes defined and normalized into 3N to show the unique relationship among the system entities. ![]() Entity relationship diagrams, activity, and class diagrams were also developed. To start the process, the problem with the existing system were analysed and solutions were proposed that could use an information system with interactive features that could enable users to interact with the system effectively.Ī business profile was written, use-case diagrams developed, structured English written to represent various system development activities. The problems with the existing system were inaccurate order processing, lack of unique capabilities such as web-based presence besides poor inventory management, and lack of reliance on manual operations. ![]()
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