ISDP1: Systems Approaches-THE SYSTEM DEVELOPMENT MATRIX UNIT 4

INTRODUCTION An information or decision support system follows a definite life cycle. This life cycle, which has been mentioned in the previous unit as a rationale to SDLC, includes planning, analysis, design, and implementation. The components of the life cycle are similar to the steps of systems analysis and design. OBJECTIVES By the end of this unit, you should be able to. Explain at least three stages of data processing. Describe the types of models used to explain data processing. Justify the most appropriate schematic model for data processing.