Podcast
Questions and Answers
Which of the following diagrams represents the logical elements of a system but does not depict the physical system?
Which of the following diagrams represents the logical elements of a system but does not depict the physical system?
- System flowchart
- Program flowchart
- Entity relationship (ER) diagram
- Data flow diagram (DFD) (correct)
What is the purpose of an entity relationship (ER) diagram?
What is the purpose of an entity relationship (ER) diagram?
- To represent the relationship between business entities (correct)
- To depict the physical components of a system
- To document the data flows in a system
- To model the processes of a system
What does the term 'cardinality' refer to in the context of entity relationship diagrams?
What does the term 'cardinality' refer to in the context of entity relationship diagrams?
- The type of relationship between entities
- The degree of complexity of the diagram
- The number of entities in the diagram
- The numeric mapping between entities (correct)
Which of the following statements is true about data flow diagrams (DFDs) and entity relationship (ER) diagrams?
Which of the following statements is true about data flow diagrams (DFDs) and entity relationship (ER) diagrams?
Which version of the entity relationship (ER) model is widely used in accounting information systems (AIS)?
Which version of the entity relationship (ER) model is widely used in accounting information systems (AIS)?
Which of the following is NOT a component represented in a data flow diagram (DFD)?
Which of the following is NOT a component represented in a data flow diagram (DFD)?
What is the purpose of a data model in the context of database design?
What is the purpose of a data model in the context of database design?
In an entity relationship (ER) diagram, the cardinality of a relationship between two entities indicates the:
In an entity relationship (ER) diagram, the cardinality of a relationship between two entities indicates the:
Which of the following documentation techniques uses symbols to represent the flow of data and control through a system?
Which of the following documentation techniques uses symbols to represent the flow of data and control through a system?
The REA (Resources, Events, Agents) model is a conceptual framework for modeling:
The REA (Resources, Events, Agents) model is a conceptual framework for modeling:
Which of the following is a problem associated with the flat-file approach to data management?
Which of the following is a problem associated with the flat-file approach to data management?
Which of the following is NOT a benefit of using digital record audit trails compared to hard-copy document audit trails?
Which of the following is NOT a benefit of using digital record audit trails compared to hard-copy document audit trails?
What do resources, events, and agents represent in the REA model?
What do resources, events, and agents represent in the REA model?
In the context of ER diagrams, what does cardinality refer to?
In the context of ER diagrams, what does cardinality refer to?
How is a DFD different from an ER diagram?
How is a DFD different from an ER diagram?
Which documentation technique reveals the internal structure of digital records in a database table?
Which documentation technique reveals the internal structure of digital records in a database table?
What does the CARDINALITY term 'one-to-many' signify in an ER diagram?
What does the CARDINALITY term 'one-to-many' signify in an ER diagram?
What does a Document flowchart represent if a manual system is involved?
What does a Document flowchart represent if a manual system is involved?
