Exam 7: Using Data Flow Diagrams
Exam 1: Systems, roles, and Development Methodologies74 Questions
Exam 2: Understanding and Modeling Organizational Systems80 Questions
Exam 3: Project Management78 Questions
Exam 4: Information Gathering: Interactive Methods80 Questions
Exam 5: Information Gathering: Unobtrusive Methods80 Questions
Exam 6: Agile Modeling, prototyping, and Scrum65 Questions
Exam 7: Using Data Flow Diagrams75 Questions
Exam 8: Analyzing Systems Using Data Dictionaries78 Questions
Exam 9: Process Specifications and Structured Decisions78 Questions
Exam 10: Object-Oriented Systems Analysis and Design Using UML80 Questions
Exam 11: Designing Effective Output75 Questions
Exam 12: Designing Effective Input79 Questions
Exam 13: Designing Databases75 Questions
Exam 14: Human-Computer Interaction and Ux Design78 Questions
Exam 15: Designing Accurate Data Entry Procedures80 Questions
Exam 16: Quality Assurance and Implementation80 Questions
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What does the text within the process symbol indicate?
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(Multiple Choice)
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Correct Answer:
C
Base elements are elements that are created by a process using a formula or some logic.
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(True/False)
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Correct Answer:
False
A basic process is one that does not explode to a child diagram.
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(True/False)
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Correct Answer:
False
A method that provides conceptual freedom for representing processes and flows in a business system is the:
(Multiple Choice)
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A CRUD matrix is a tool used to represent where master files are read,updated,created,and deleted within the system.
(True/False)
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The systems analyst needs to conceptualize data flows from a top-down perspective.
(True/False)
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What should be created each time data must be obtained from an external partner?
(Multiple Choice)
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A logical data flow diagram focuses on how the business operates.
(True/False)
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A CRUD matrix shows where records are added,changed,used,and deleted from a file.
(True/False)
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The biggest advantage of the data flow approach lies in the conceptual freedom found in the use of the four symbols.
(True/False)
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Data flow diagrams must be drawn working from left to right on the page.
(True/False)
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When the data flow in and out of a parent process do not match the data flow in or out of a child diagram,it is called:
(Multiple Choice)
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A clear name on a data flow diagram makes it easier to understand what the process is accomplishing.
(True/False)
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________ depict the broadest possible overview of system inputs,processes,and outputs.
(Multiple Choice)
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Balanced decomposition is when the data flow in or out of a child diagram does not match the data flow in or out of a parent process.
(True/False)
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Data stores must always have data flow into them in a proper diagram.
(True/False)
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A transaction file links two processes that execute at different times.
(True/False)
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Transaction files are used to link all logical data flow diagram processes.
(True/False)
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