Answer:
Option A i.e., Data flow diagram.
Explanation:
The data flow diagram illustrates that details travel into a mechanism or mechanism. This requires getting information as well as print it, information warehouses, as well as the different subprograms by which the information travels.
So, The primary device for describing the device's function as well as the transfer of information with them is the data flow diagram.
- Option B is incorrect because it offers a detailed reference for interpreting as well as using the details.
- Option C is incorrect because it applies to the goods or services documents given to end consumers.
- Option D is incorrect because It's used to define specifications with a procedure on the data flow diagram.
