Logical DFD concentrates on system process & flow of data in system - Designing the System

Q.  Which type of DFD concentrates on the system process and flow of data in the system?
- Published on 23 Jul 15

a. Logical DFD
b. Physical DFD
c. Both A & B
d. None of the above

ANSWER: Logical DFD

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    Discussion

  • Nirja Shah   -Posted on 15 Oct 15
    - There are two types of DFD

    Logical DFD
    - This DFD concentrates on the system process, and flow of data in the system.

    - For example in a Banking software system, how data is moved between different entities.

    Physical DFD
    - This DFD shows how the data flow is actually implemented in the system.

    - It is more specific and close to the implementation.

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