Systems Analysis and Design - Chapter 5 Prep Exam Questions And Correct Complete Answers.
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Course
Systems Analysis and Design
Institution
Systems Analysis And Design
what is a process model? - Answer is a graphical way of representing how a business system should operate. It illustrates the processes or activities that are performed and how data move among them
what is data flow diagramming? (DFD) - Answer is a technique that diagrams the business proc...
Systems Analysis and Design - Chapter
5 Prep Exam Questions And Correct
Complete Answers.
what is a process model? - Answer is a graphical way of representing how a business system should
operate. It illustrates the processes or activities that are performed and how data move among them
what is data flow diagramming? (DFD) - Answer is a technique that diagrams the business processes
and the data that pass among them.
The focus is mostly on the processes or activities that are performed
What are logical process models? - Answer models that decribe a process, without suggesting how
they are conducted
what is a physical process model? - Answer provide information that is needed to build the system
process - Answer is an acitvity or a function performed for some specific reason
data flow - Answer a data flow is a single piece of data, or a logical collection of several pieces of
information
data store - Answer is a collection of data that is stored in some way
external entity - Answer is a person, org,unit, or system that is external to the system but still interacts
with it
Decomposition - Answer breaking down DFDs to individual DFDs for further detail
Context Diagram - Answer it shows the entire system as one process
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