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Data Flow Diagrams

Course Status: Released
Course Language: English
Course Duration: 4 Hours
Deployment Options: Online, Interactive CDs, Network, Downloads, Intranet

Audience
Software engineers, developers, software development managers, users involved in software development projects, database administrators, database designers
Prerequisites
Completion of the courses Software Engineering: Personal Software Process I, and Software Engineering: Personal Software Process II
Course Aim
To describe the theory and use of data flow diagrams in the context of a software development project
Learning Objectives
Explain the theory of data flow diagrams.
Explain the symbols used in data flow diagrams.
Explain the use of data flow diagrams in a software development project.
Construct a context-level data flow diagram.
Construct a leveled data flow diagram.
Explain how to level a data flow diagram.
Topics Covered
Introducing DFDs
- DFD components and CASE
- Reading and drawing DFDs
Constructing DFDs
- DFD construction
- Context-level DFDs
- Exercise: Constructing a context-level DFD
Leveling DFDs
- Leveling
- Level 1 DFDs
- Exercise: Creating a leveled DFD