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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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:
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(Multiple Choice)
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Correct Answer:
D
A CRUD matrix shows where records are added, changed, used, and deleted from a file.
(True/False)
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By using combinations of only four symbols, the systems analyst is able to create a pictorial depiction of data flows that eventually can provide solid system:
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More detail is achievable through using a process called "exploding the diagrams."
(True/False)
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The data flow approach enables the systems analyst to better understand the interrelatedness of ________ and ________.
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Linear data flow from process to process is normal in higher level data flow diagrams.
(True/False)
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Processes that transform data should be named with a noun which indicates the data that has been transformed.
(True/False)
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Which of the following is not an advantage of using a physical model?
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Data flow diagrams must be drawn working from left to right on the page.
(True/False)
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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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Ajax is a technique used to obtain data from a server and update large amounts of data using UML.
(True/False)
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Base elements are elements that are created by a process using a formula or some logic.
(True/False)
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Having separate Web forms to collect transaction data means that:
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The process of creating a simple data flow diagram fragment for each unique system trigger is called:
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An arrow is used to depict an external entity that can give and receive data from the system.
(True/False)
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The advantage of building data flow diagrams based on events is that:
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