The entire system is represented by the level 0 DFD which gives the system boundaries and its interactions with the environment. Here the ... A level-l DFD process may again be expanded into its constituent process in a level-2 DFD and so on. Expanding the ... Example of a Data Flow Diagram Customer details 1 3 gets new Custom writes new 00a#39; customer aa#39; de . entry in 4 or? details 14, . 2 saving Ck. 0anbsp;...
|Title||:||System Analysis and Design|
|Publisher||:||Firewall Media - 2008-01-01|