Essentials of Systems Analysis and Design (6th Edition)
6th Edition
ISBN: 9780133546231
Author: Joseph Valacich, Joey George
Publisher: PEARSON
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Justify the naming convention for the different levels of data-flow diagrams.
Specify the rules for drawing efficient data-flow diagrams.
Use data-flow diagrams as a tool to supportthe analysis of information systems
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- For a business of your choice, use a graphics program to develop a data-flow diagram of one of its main processes and an entity-relationship diagram showing the data within the scope of the system.arrow_forwardAs a conceptual data flow diagram is more abstract than an actual one, the two are not interchangeable.arrow_forwardExplain the naming conventions that are used to distinguish various layers of data-flow diagrams.arrow_forward
- An actual data flow diagram differs from a conceptual data flow diagram in that the latter is more particular while the former is more generic.arrow_forwardGive the considerations for designing a system interface, pertaining to information onset display.arrow_forwardAn actual data flow diagram differs from a conceptual data flow diagram in that the former is more generic and the later is more particular.arrow_forward
- The two cannot be used interchangeably since a conceptual data flow diagram is more abstract than an actual one.arrow_forwardTo what end does one go about building an ER diagram conceptual model?arrow_forwardComputer Science Clear define the function and use of each of the following UML Diagrams: UML - Standard Diagrams; UML - Class Diagram; UML - Object Diagram; UML - Component Diagram; UML - Deployment Diagram; UML - Use Case Diagram; UML - Interaction Diagram; UML - Statechart Diagram; UML - Activity Diagramarrow_forward
- 5. Compare and contrast between Activity Diagrams, Sequence Diagrams, Class Diagrams, and State Machine Diagrams in terms of the entities and interactions they depict and how they depicts them.arrow_forwardDistinguish between the symbols that are used in data flow diagrams and the concepts that govern their use.arrow_forwardWhat distinguishes a theoretical data flow diagram from an actual data flow diagram, to put it another way?arrow_forward
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