a) Active Object b) Passive Object c) Multiple instance d) None of the mentioned Answer: b Explanation: ...
View QuestionWhich of the following describes”Is-a-Relationship” ?
a) Aggregation b) Inheritance c) Dependency d) All of the mentioned Answer: b Explanation: Inheritance
View QuestionWhich of the following is a disadvantage of OOD ?
a) Easier maintenance b) Objects may be understood as stand-alone entities c) Objects are potentially reusable components d) ...
View QuestionHow is generalization implemented in Object Oriented programming languages?
a) Inheritance b) Polymorphism c) Encapsulation d) Abstract Classes Answer: a Explanation: Inheritance
View QuestionWhich of the following points related to Object-oriented development (OOD) is true?
a) OOA is concerned with developing an object model of the application domain b) OOD is concerned with ...
View QuestionInherited object classes are self-contained.
a) True b) False Answer: b Explanation: Inherited object classes are not self-contained. They cannot be understood ...
View QuestionWhich of the following is a mechanism that allows several objects in an class hierarchy to have different methods with the same name?
a) Aggregation b) Polymorphism c) Inheritance d) All of the mentioned Answer: b Explanation: In polymorphism instances ...
View QuestionWhat encapsulates both data and data manipulation functions ?
a) Object b) Class c) Super Class d) Sub Class Answer: a Explanation: Object
View QuestionChoose the incorrect statement in terms of Objects.
a) Objects are abstractions of real-world b) Objects can’t manage themselves c) Objects encapsulate state and representation information d) All of ...
View QuestionIn DFDs, user interactions with the system is denoted by
a) Circle b) Arrow c) Rectangle d) Triangle Answer: a Explanation: Circle
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