Q1. What did you think of the different data flow diagrams levels and what they

Q1. What did you think of the different data flow diagrams levels and what they represent? How do you think they could be improved? What software did you use to draw data flow diagrams?Q2. Download and Read Section 1 of the Joint Application Development JAD paper (PDF) including the five stages of JAD.The research paper attached is concerned with the use of higher quality requirements in supporting joint application development using the nominal group technique. Compare the information included to what you have learned from the assigned text and summarize your findings in a one to two-page APA format paper.