Chapter 12 Systems Development The Strategic Management of Information echnology
Chapter 12 Systems Development The Strategic Management of Information Technology
Transaction Processing System Input Process Output Systems Development Communication Information
Transaction Processing System Input Process Output Information Communication Systems Development
Systems Development Life Cycle Consists Of Six Phases Systems Planning Systems Analysis General Systems Design Systems Evaluation and Selection Detailed Systems Design Systems Implementation
Systems Development Life Cycle Consists Of Six Phases Systems Planning Systems Analysis General Systems Design Systems Evaluation and Selection Detailed Systems Design Systems Implementation
3 Categories of Systems Design Global-Based Systems Group -Based Systems Local-Based Systems
3 Categories of Systems Design Global-Based Systems Group-Based Systems Local-Based Systems
Global-Based Systems arge, Complex Information Systems that Process High Transaction∨ olumes Complete Overhaul or Replacement of Systems Design Components Old output is changed from monthly tabular reports to online screen displays New processes are developed Input captured by scanning devices Old hierarchical database is converted to new relational database with standard query language Controls are installed New technology platform composed of enterprise-wide network topology supports systems design components
Global-Based Systems Large, Complex Information Systems that Process High Transaction Volumes Complete Overhaul or Replacement of Systems Design Components – Old output is changed from monthly tabular reports to online screen displays – New processes are developed – Input captured by scanning devices – Old hierarchical database is converted to new relational database with standard query language – Controls are installed – New technology platform composed of enterprise-wide network topology supports systems design components