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timer Asked: Apr 8th, 2018
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Accountants can use data flow diagrams (DFDs) to depict the physical flows of data through an AIS (like document flowcharts), or the logical flow of data through an AIS (like system flowcharts). Like document or system flowcharts, their main objective is to document data flows in an orderly, graphic, and easily-understood format. But DFDs use fewer symbols than either document or system flowcharts, and do not require columns (like document flowcharts).

  • Discuss how a document flowchart assists each of the following individuals:
    • A systems analyst.
    • A systems designer.
    • A computer programmer.
    • An auditor.
    • A data security expert.
  • Flowcharting is both an art and a science. Guidelines can be used to make better flowcharts. What are these guidelines for document, system, and data flow diagram flowcharts?
  • What are the four symbols used in data flow diagrams? What does each mean?
  • Discuss why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?

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School: Cornell University

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Data Flow Diagrams, Document, System Flowcharts
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Flowcharts are essential tools for the display and analysis of information integration and
movement within an organization or process. Some of the important charts include document
flowcharts, system flowcharts and data flow diagrams. The charts are important tools that help
professionals in various fields to perceive, interpret and control information to ensure robust
processes that yield the desired outcomes. The data flow diagrams are comprehensive
representations that play the role of document and system flowcharts in the physical and logical
information representation (Moore, 2015). The system and document flowchart can, therefore, be
replaced by the data flow diagrams that feature fewer symbols and accommodate the functionality
of both flowcharts. The focus of this paper is on the usability of the document flowchart to
professionals such as systems analysts, computer programmers, and auditors among others. The
paper also discusses the functionality of data flow diagrams as well as their hierarchy.
The assistance of Document Flowchart to a Systems Analyst
Document flowcharts are used by the system analyst in that the p...

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