SOLUTIONS FOR CHAPTER 4 Discussion Questions DQ4-1 aquot;Data flow diagrams and flowcharts provide redundant pictures of an information system. We don 7 need both. aquot; Discuss. ANS. Logical data flow diagrams (DFDs) present only the logical elements of an information system. ... which use only a few symbols, than it is to learn to prepare flowcharts, which use a number of different symbols.
|Title||:||Instr Res Manual, Acct Info|
|Author||:||Sutton, HUNTON, GELINAS|