TAILIEUCHUNG - Lecture Management information systems: Solving business problems with information technology – Chapter 12

In this chapter you will learn: How do you create the software tools needed for your organization? What main options exist for building information systems? How do you control a major development project? Why is control so important? Is SDLC always the best approach? What other methodologies could be used?,. | Introduction to MIS Chapter 12 Systems Development Systems Development Operations Tactics Strategy Enterprise information system Decision support system Transaction processing Systems development life cycle End user development Prototyping Outline Challenges in Building Information Systems Systems Development Lifecycle (SDLC) Alternatives to SDLC Prototyping Teamwork Extreme Programming End-User Development Analyzing Systems Process Analysis Object-Oriented Design Cases: Government Agencies Appendix: Visual Basic Project Evaluation (given a discount factor) Get list of cost items from the user (Description, value, time-incurred, probability-factor, category . . .) Examine each item in the list: Compute the present value of the cost: PV = Cost / ( (1 + rate) ^ time) Multiply by the probability factor: EV = probability * PV If item is in a special category, Then add or subtract correction: category = Land Add 10% category = Overhead Subtract 5% category = Labor Add 15% End If Accumulate the total value End of list Return the Total value Individual Development: Pseudocode Management Functions Operations Databases Programs Programs Programs Functions Operations Operations Databases Databases Databases Databases Programs Programs Programs Programs Programs Programs Top-down and Bottom-up Identify Management Functions and Operations Entire Organization Design Systems Data Programs Standards! Integrate Write code Build DB Find a problem $ 1998 2001 2002 Runaway Projects Technical measures 2 - 5 times over budget 2 - 5 times behind schedule Missing technical objectives Design problems Duplication of efforts Incompatibilities User/designer conflicts Cafasso 1994 Success & Failure Reasons for Success User Involvement Executive management support Clear requirements Proper planning Realistic expectations Reasons for Failure Lack of user input Incomplete requirements Changing requirements and specifications Lack of executive support Lack of technical skills Existing System .

• Thương mại điện tử
• Management Information Systems
• Information Systems
• Hệ thống thông tin
• Lecture Management Information Systems
• Hệ thống thông tin quản lý
• Systems development
• Computer based information systems
• Managing information resources
• Information security
• Business applications
• Electronic commerce
• Information systems combine
• Information systems in business
• Global management of information technology
• Organizing IT
• Customer relationship management
• Supply chain management
• Transaction processing systems
• Managing data
• Network applications
• Business analytics
• General ethical framework
• Social computing
• Major E commerce mechanisms
• Mobile computing
• IT strategic plan