Object-Oriented Data Modeling - General Questions Online Exam Quiz
Object-Oriented Data Modeling - General Questions GK Quiz. Question and Answers related to Object-Oriented Data Modeling - General Questions. MCQ (Multiple Choice Questions with answers about Object-Oriented Data Modeling - General Questions
The fact that the same operation may apply to two or more classes is called what?
Options
A : Inheritance
B : Polymorphism
C : Encapsulation
D : Multiple classification
The object-oriented development life cycle is which of the following?
Options
A : Analysis, design, and implementation steps in the given order and using multiple iterations.
B : Analysis, design, and implementation steps in the given order and going through the steps no more than one time.
C : Analysis, design, and implementation steps in any order and using multiple iterations.
D : Analysis, design, and implementation steps in any order and going through the steps no more than one time.
Multiplicity is the same as what concept for an ERD?
Options
A : Relationship
B : Attribute
C : Entity
D : Cardinality
Composition is a stronger form of which of the following?
Options
A : Aggregation
B : Encapsulation
C : Inheritance
D : All of the above.
An abstract class is which of the following?
Options
A : A class that has direct instances, but whose descendants may have direct instances.
B : A class that has no direct instances, but whose descendants may have direct instances.
C : A class that has direct instances, but whose descendants may not have direct instances.
D : A class that has no direct instances, but whose descendants may not have direct instances
The term Complete for a UML has the same meaning as which of the following for an EER diagram?
Options
A : Overlapping rule
B : Disjoint rule
C : Total specialization rule
D : Partial specialization rule
A UML diagram includes which of the following?
Options
A : Class name
B : List of attributes
C : List of operations
D : All of the above.
An object can have which of the following multiplicities?
Options
A : Zero
B : One
C : More than one
D : All of the above.
Which of the following statement is true concerning objects and/or classes?
Options
A : An object is an instance of a class.
B : A class is an instance of an object.
C : An object includes encapsulates only data.
D : A class includes encapsulates only data.
Which of the following applies to a class rather than an object?
Options
A : Query
B : Update
C : Scope
D : Constructor
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