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[경영정보] 정보 시스템 구축(영문)에 대한 자료입니다.
목차
MODELING AND DESIGNING SYSTEMS: STRUCTURED AND OBJECT-ORIENTED METHODOLOGIES
본문내용
- Data flow diagram(DFD)
The primary tool for representing a system's component processes and the flow of data between them
- Functions of DFD
- a logical graphic model of information flow
- a system into modules that show manageable levels of detail
- the processes or transformations
-Characteristics of Object-oriented development
1. More iterative and incremental than traditional structured development.
2. The object-oriented design phase describes how the objects will behave and how they will interact with one other.
3. Potentially reduce the time and cost of writing software .