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DFD Questions With 100% Errorless Answers

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  • DFD
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  • DFD

DFD Advantages - Correct Answer -Simple notation -Allows focus analysis and changes -Depiction of parallel processes DFD Disadvantages - Correct Answer - No sequence of events - No timing considerations - No depiction of process details Flowcharts include... - Correct Answer looping an...

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  • September 24, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • DFD
  • DFD
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Victoria108
DFD Questions With 100% Errorless Answers
DFD Advantages - Correct Answer -Simple notation

-Allows focus analysis and changes

-Depiction of parallel processes



DFD Disadvantages - Correct Answer - No sequence of events

- No timing considerations

- No depiction of process details



Flowcharts include... - Correct Answer looping and branching, DFD don't



Logical Models - Correct Answer illustrate business requirements



Physical Models - Correct Answer illustrate technical designs



Logic Model Advantages - Correct Answer - facilitate communication with users

- reduce bias of current system

- avoid risk of missing business requirements due to technology focus



Logic Model Disadvantages - Correct Answer ambiguity



Context level DFD - Correct Answer most abstract/vague, highest level



Decomposition - Correct Answer - The act of breaking a system into subsystems.

- Each 'level' of abstraction reveals more or less detail (as desired) about the overall system or a subset of
that system.



Decomposition allows you to... - Correct Answer partition a system into logical subsets of processes for
improved communication, analysis, and design.

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