Devry CIS321 Week 3 Discussion DQ1 & DQ 2 Latest 2015 November

QUESTION

DQ 1Finding the requirements for a new system or a redeveloped system is a major undertaking and a very high priority. What are some of the techniques in discovering the requirements (fact finding) for a system? Which ones work best? Which ones are the most economical? Where in the SDLC do we most commonly search for requirements?DQ 2We will focus on the way to build the first diagram in the process model called a context data flow diagram (CDFD). Give an example of how process modeling might be beneficial? How does creating the CDFD benefit IT system development and the user?

ANSWER:

REQUEST HELP FROM A TUTOR