TAILIEUCHUNG - Lecture Business system development - Lecture 23: System implementation

In this chapter we talked about: Explain and contrast four types of system maintenance; describe factors affecting maintenance costs; describe maintenance management issues, including organizational structure, quality measurement, change management, and configuration management; explain the role of CASE tools for system maintenance. | Business System Development CSC581 Lecture 23 System Implementation 2 Summary of the previous lecture In previous lecture, we : Described the process of coding, testing, and system conversion. Prepared a test plan for an information system. Applied four installation strategies. Listed deliverables for documentation, training, and user support. Outlines We today’s lecture we will: Explain and contrast four types of system maintenance. Describe factors affecting maintenance costs. Describe maintenance management issues, including organizational structure, quality measurement, change management, and configuration management. Explain the role of CASE tools for system maintenance The Process of Maintaining Information Systems Process of returning to the beginning of the SDLC and repeating development steps focusing on system change until the change is implemented Maintenance is the longest phase in the SDLC Four major activities: Obtaining maintenance requests Transforming requests into

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