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What are the limitations of dfd?

Anonymous

∙ 13y ago

Updated: 11/9/2022

Limitations of DFDsDFDs cannot tell the WHOLE story. Indeed, they only reveal a part of the requirements. The most important things they do not reveal are-The sequence in which processes occur.

The time intervals at which processes occur.

Entity Life History modelling (ELH) is needed.

The structure of processes and data stores.

Logical Data Structure modelling (LDS) is needed.

How often a process is repeated

Also, analysis of a DFD does not reveal important business aspects:

Whether or not the system is a business enabler for competitive advantage

The technical aspects

IT Platform

Data Structures

Costs (except by implication)

Wiki User

∙ 13y ago

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