: Repositories where data is held for later use, such as databases or files.
A DFD represents the logical or physical flow of data from its source to its final destination. It focuses on the of the data movement rather than the how of technical implementation. Core Components : dfd.rar
: Sources or destinations outside the system boundaries. : Repositories where data is held for later
: A high-level overview showing the entire system as a single process interacting with external entities. dfd.rar
: Actions that transform incoming data into outgoing information.