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Examen
Data Flow Diagram (DFD) With A+ Graded Answers 2024/25
What are the 4 key component in process modeling - Correct Answer 1)External entities: outside data sources/sink 2)Data store: data at rest 3)Data flow: data in motion 4)Processing logic Process Oriented Approach - Correct Answer Focuses on how and when data are moved and changed -involves graphical representation: data flow diagram -data tracked from sources, through intermediate steps/final destination Data vs. Information - Correct Answer Data are raw facts; information i...
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Examen
Ch. 7 Dfd || Answered And Graded
PopularDFDs - Correct Answer Two main purposes: Understanding a business process Understanding the relational database that underlies the AIS Focus on data A circle in a data flow diagram represents: A) A data flow B) An external entity C) A database D) A business process E) A repeat loop - Correct Answer D) A business process Which of the following statements about systems flowcharts and data flow diagrams is most true? A) Processes are numbered in a flowchart, but not a data flow...
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Examen
DFD Questions With 100% Errorless Answers
DFD Advantages - Correct Answer -Simple notation -Allows focus analysis and changes -Depiction of parallel processes DFD Disadvantages - Correct Answer - No sequence of events - No timing considerations - No depiction of process details Flowcharts include... - Correct Answer looping and branching, DFD don't Logical Models - Correct Answer illustrate business requirements Physical Models - Correct Answer illustrate technical designs Logic Model Advantages - Correct Answer...
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