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Question 2 - CITM-001 discussion

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Which diagram consists of object types and relationships?

A.

ER Diagram

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A.

ER Diagram

B.

Data Flow Diagram

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B.

Data Flow Diagram

C.

Couple Diagram

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C.

Couple Diagram

D.

Analytical Diagram

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D.

Analytical Diagram

Suggested answer: A

Explanation:

An ER diagram (Entity-Relationship diagram) is a type of diagram that consists of object types and relationships. An object type is a category of objects that share common attributes and behaviors, such as a class, an entity, or a component. A relationship is a connection or association between two or more object types, such as an inheritance, an aggregation, or a dependency. An ER diagram is used to model the structure and semantics of a system, such as a database, a software system, or a business domain. An ER diagram can show the cardinality, optionality, and constraints of the relationships, as well as the attributes and operations of the object types.Reference:What is an Entity Relationship Diagram (ERD)?,Object Diagrams | Unified Modeling Language (UML),The Easy Guide to UML Class Diagrams | Class Diagram Tutorial,Class diagrams vs Object diagrams in UML

asked 18/11/2024
Evans Sajere
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