When changing a logical DFD into a physical DFD,it might be necessary to ________.
A)Add system-related data stores,data flows and processes
B)Normalize the logical DFD into 3NF
C)Create the user-interface with smaller fonts
D)Change the system architecture to three-tiered architecture
E)Delete extraneous data stores and delete extraneous data flows

Question

Quizplus · Accepted Answer

When converting a logical Data Flow Diagram (DFD) into a physical DFD, it is often necessary to add system-related data stores, data flows, and processes that were not present in the logical DFD. The logical DFD focuses on the business and how the data moves through the system, whereas the physical DFD includes the actual implementation details, including specific hardware, software, files, and people involved in the process.

When Changing a Logical DFD into a Physical DFD,it Might