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535
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Industrial Engineering
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Dec 6, 2023
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Applicability of a Data Flow Diagram
The diagrammatic visualization of how inputs are integrated into a system and processed
to generate outputs can be an essential tool for analyzing system efficiency, understanding
company processes and evaluating performance (Jilani et al., 2008). Companies that utilize
computer operations might also need to educate employees interacting with the computer
applications on the entire workflow. Additionally, system reviews are essential for detecting
errors, identifying areas for improvement and approximating the operation cost. Therefore, a data
flow diagram is most useful when planning a company’s operations, implementing a new
process, evaluating a process for work efficiency, or initiating new updates.
Images make the illustration of a process more straightforward and effective than the use
of words (BA-EXPERTS, 2016). The simplicity of a data flow diagram can make it easy for the
system designers to communicate with the software engineers. Detecting missing steps that
might impede the storage and processing of information can be much easier when looking at a
graphical mapping than text descriptions (Jilani et al., 2008). Therefore, a data flow diagram can
raise inquiries that can prompt updates that would lead to better planning and implementation of
new systems. Companies might find this vital for calculating the cost of installing new
technologies, employing data managers and system operators and training staff and customers.
Moreover, the data flow diagram provides the framework for comparing the operations of
an existing system with a new system. The organization can then engage with technology experts
to redesign a more robust and resilient work process. These evaluations and comparisons help
prevent unnecessary workflow problems and difficulties that might arise when installing or
updating a new operation.
3
References
BA-EXPERTS. (2016, August 3).
What is a data flow diagram and why do you need one?
[Video]. YouTube. https://youtu.be/kBeUY8noj6A
Jilani, A. A., Nadeem, A., Kim, T., & Cho, E. (2008). Formal representations of the data flow
diagram: A survey. 2008 Advanced Software Engineering and Its Applications.
https://doi.org/10.1109/asea.2008.34
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