12+ Logical And Physical Dfd. Logical vs physical dfd logical dfd logical dfd depicts how the business operates. Difference between logical and physical data flow diagram.
For a physical data flow diagram you explore into the logical dfd. Data flow diagrams became popular in the 1970s in software development. Data flow diagrams (dfds) are categorized as either logical or physical.
Know the differences between logical and physical data flow diagram (dfd).
12+ Logical And Physical Dfd. A data flow diagram (dfd) is a graphical representation of the flow of data through an information system (as shown on the dfd flow chart figure 5), modeling its process aspects. Thus, while logical dfd focuses on business activities, physical dfd focuses on system implementation. Data flow diagrams are categorized as either logical or physical. The word logical is critical because.