a(n) ___________ portrays the transformation of data. in a dataflow diagram (dfd) 39 in a dataflow diagram (dfd), a(n) ___________ portrays the transformation of data. ISYS 209 Chp 12 Quiz Flashcards | Quizlet In a dataflow diagram (DFD), a/… Written By Kathleen D. Walker Friday, December 9, 2022 Add Comment Edit