Need a 2-3 page, double-spaced paper that answers the following:

What is the purpose of functional decomposition? What is the significance of a Context Diagram and a DFD Level 0? 

 

Reference material follows:

Charles Stuart University. (n.d.). Guide to functional decomposition diagram. [PPT slides]. Retrieved from http://slideplayer.com/slide/10024641/

SmartDraw. (2012). Context Diagrams. Retrieved from http://www.smartdraw.com/resources/tutorials/data-flow-diagrams/#/resources/tutorials/Context-Diagrams

Anonymous. (2011, July 23). Example of DFD Context Diagram. [Video file]. Retrieved from http://www.youtube.com/watch?v=zQvmrmvqyS4&feature=relmfu

Modern Analyst. (2012). Interview questions for business analysts and systems analysts. Retrieved from http://www.modernanalyst.com/Careers/InterviewQuestions/tabid/128/Default.aspx?ArticleType=ArticleView&ArticleID=1433

Anonymous. (2011, July 23). DFD symbols. [Video file]. Retrieved from http://www.youtube.com/watch?v=zHF4tOyFU84&feature=channel&list=UL

Anonymous. (2011, July 23). Example of Data Flow Diagram (Level 0). [Video file]. Retrieved from http://www.youtube.com/watch?v=zoXLU86ohmw

Langer, A. (2008). Tools of analysis (part 6 of 8) process & data (DFD/Data Flow Diagram). Analysis and Design Information Systems. [Video file]. Retrieved from http://www.youtube.com/watch?v=X9MyqHGPDaI