Object that collects data on request rather than autonomously is known as_________________? A. Active ObjectB. Passive Object C. Multiple instance D. None of the mentioned Explanation: A passive object holds data, but does not initiate control.
Which 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 componentsD. None of the mentioned Explanation: All the options define the characteristics of OOD.
How is generalization implemented in Object Oriented programming languages ? A. Inheritance B. Polymorphism C. Encapsulation D. Abstract Classes
Which of the following is a mechanism that allows several objects in an class hierarchy to have different methods with the same name ? A. AggregationB. Polymorphism C. Inheritance D. All of the mentioned Explanation: In polymorphism instances of each…
Objects are executed _____________________? A. sequentially B. in ParallelC. sequentially & Parallel D. none of the mentioned Explanation: Objects may be distributed and may execute sequentially or in parallel.
How many layers are present in the OO design pyramid ? A. threeB. four C. five D. one Explanation: The four layers are: Subsystem layer, class and object layer, message layer and responsibilities layer
Grady Booch, James Rumbaugh, and Ivar Jacobson combined the best features of their individual object-oriented analysis into a new method for object oriented design known as _____________________? A. HTML B. XMLC. UML D. SGML Explanation: The Unified Modeling Language (UML)…
Which of the following is conceptually similar to objects ? A. PACKAGE B. PROC C. PRIVATE D. None of the mentioned Explanation: A package is a namespace that organizes a set of related classes and interfaces.
Which of the following early OOD methods incorporates both a “micro development process” and a “macro development process.” ? A. Booch method B. Rumbaugh method C. Wirfs-Brock method D. Coad and Yourdon method Explanation: The macro development process includes the…
A design description of an object is known as a class__________________? A. instance B. object C. caseD. both instance and object