Case and Misuse Case Diagrams Mounika Challagundla‚ Graduate Student Dr. Natarajan Meghanathan‚ Associate Professor Department of Computer Science Jackson State University‚ Jackson‚ MS 39217‚ USA use case description • Registration: Anyone who want to participate in auction first they have to register to the system. • Login: The user will provide login details in order to access anything. • Post items: Once registered as a seller‚ the seller can start posting his inventory on the marketplace
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Entity-Relationship Diagrams (ERD) Data models are tools used in analysis to describe the data requirements and assumptions in the system from a top-down perspective. They also set the stage for the design of databases later on in the SDLC. There are three basic elements in ER models: Entities are the "things" about which we seek information. Attributes are the data we collect about the entities. Relationships provide the structure needed to draw information from multiple entities. Generally
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Functional Decomposition Diagram An analyst first must understand an organization’s business functions before he or she can begin developing information systems. The functional decomposition diagram (FDD) is a business planning tool that depicts the hierarchy of business functions‚ processes‚ and subprocesses within an organization that are later described in detail using process models (chapter 6). The exercise of breaking down‚ or decomposing‚ the business functions into processes makes complex
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Statement of the problem • Inventory System practices is just one of the main goals of the invented computers and because of this Inventory System for Pan-Aw Restaurant can be help. Its mission is to modernize... Premium • Sales And Inventory System For Bossing General Merchandise needed to be solved. 1.4.6. General Problem * How to design‚ develop‚ and implement a Computerized Sales and Inventory System in Bossings General... Premium • Sales And Inventory System Of a Pharmacy to maintain
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Introduction and its Background Introduction Inventories are very essential to meet the shareholder needs and demands for financial information. A computerized inventory stock system helps the companies to keep track of their inventory from initial purchase to final sale automatically. It may contain quantities‚ description‚ price‚ purchasing of items‚ the stock – in and out‚ total amount of products on initial purchase and making reports on the inventory. A store sells certain products
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Framework . . . . . . . . . . . . Objective of the Study . . . . . . . . . . . Description of the Present System. . . . . Description of the Proposed System . . . . Table Design.. . . . . . . . . . . . . . . Entity Relationship Diagram (ERD). . . . . Data Flow Diagram (DFD). . . . . . . . . . Hierarchical Input Process Output (HIPO).. Input Process Output (IPO). . . . . . . .. Attributes and Domain . . . . . . . . . .. Cost Benefit Analysis . . . . . . . . . .. Significance of the Study
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hassle-free. The most commonly used system by several companies is the sales system and inventory system creating a window based system. Advanced system on sales provide more reliable recording of sales of the company with comparison to its actual cost. In addition‚ the data needed by the company to decide matters in relation to inventory can be easily generated. Moreover‚ the inventory system promotes effective inventory control which ensures stocking the in demand and correct items in the correct quantities
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Turtle Diagram Inputs Supplier . Materials/Equipment Measure(s) Process Support Process(es) Outputs Customer Competence/Skills/Training 1 Turtle Diagram Process Steps that make up the process Explanation of how to do the process Could include Procedures and Work Instructions Or parts of Procedures and Work Instructions 2 Turtle Diagram Process Questions Does the process meet the requirements of the standard? Compare what is written to the standard How do you do the process? Have them
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DFD Yourdon Recently reviewed In the late 1970s data-flow diagrams (DFDs) were introduced and popularized for structured analysis and design (Gane and Sarson 1979). DFDs show the flow of data from external entities into the system‚ showed how the data moved from one process to another‚ as well as its logical storage. Figure 1 presents an example of a DFD using the Gane and Sarson notation. There are only four symbols: Squares representing external entities‚ which are sources or destinations
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Logic to Ladder Diagram There are some methods to do PLC programming. The programming methods can be with Logic Ladder Diagram‚ mnemonic (statement list)‚ and / or function block diagram. One of the PLC programming methods that are very commonly used programming using PLC ladder diagram. The method is practical and easy to understand. The programmer in charge of writing a program should describe an electronic switch circuit. It can be designed to perform the conversion of electronic circuits that
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