'Dfd symbols' presentation slideshows

Systems Development and Documentation Techniques

2.26k views • 97 slides

Management of Information Technology

660 views • 46 slides

MIS (Management Information System ) ( 21-972)

MIS (Management Information System ) ( 21-972). Department of Industrial Engineering Sharif University of Technology Session #12. Course Description. Instructor Omid Fatahi Valilai, Ph.D. Industrial Engineering Department, Sharif University of Technology

253 views • 25 slides

Data Flow Diagrams

Data Flow Diagrams. Mechanics. Outline. DFD symbols External entities (sources and sinks) Data Stores Data Flows Processes Types of diagrams Step by step approach Rules. Some Rules for External Entities. External people, systems and data stores

625 views • 24 slides

Data Flow Diagrams (DFDs)

Data Flow Diagrams (DFDs). Data Flow Diagrams (DFDs). Data flow diagram (DFD) is a picture of the movement of data between external entities and the processes and data stores within a system. Data-flow models are an intuitive way of showing how data is processed by a system.

375 views • 17 slides

PEMODELAN SISTEM

PEMODELAN SISTEM. Process Modeling Data Modeling. Data and Process Modeling. During systems development both processes and data must be modeled Data modeling describes data used by system Process modeling describes processes carried out by system Level of detail

315 views • 14 slides