TAILIEUCHUNG - Lecture Business system development - Lecture 12: Structuring system logical requirements

We today’s lecture we will: Use structured English as a tool for representing steps in logical processes in data flow diagrams; use decision tables and decision trees to represent logical choice in conditional statements; select among structured English, decision tables, and decision trees. | Business System Development CSC581 Lecture 12 Structuring System Logical Requirements 2 Summary of the previous lecture In previous lecture, we : Balanced high-level and low-level DFDs. Explained differences between current physical, current logical, new physical, and new logical DFDs. Used DFDs for analyzing information systems. Explained use cases and use case diagrams. Outlines We today’s lecture we will: Use structured English as a tool for representing steps in logical processes in data flow diagrams. Use decision tables and decision trees to represent logical choice in conditional statements. Select among structured English, decision tables, and decision trees Logic Modeling Data flow diagrams do not show the logic inside the processes. Logic modeling involves representing internal structure and functionality of processes depicted on a DFD. Logic modeling can also be used to show when processes on a DFD occur. 6 Logic Modeling Deliverables and Outcomes Structured English .

• Thương mại điện tử
• Business system development
• Information systems
• Information systems analysis
• Application software
• Systems development
• Structuring system logical requirements
• Information system
• Business management information system
• Management information system
• Business management
• Interorganizational system development
• Determining system requirements
• System implementation
• Systems Development Life Cycle
• Systems development projects
• Selecting systems development projects
• Automated tools