CBSE Class 12 Computer Science Object Oriented Concepts MCQs Set B

CBSE Class 12 Computer Science Object Oriented Concepts MCQs Set B with answers available in Pdf for free download. The MCQ Questions for Class 12 Computer Science with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 12 by CBSE, NCERT and KVS. Multiple Choice Questions are an important part of exams for Grade 12 Computer Science and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NCERT Class 12 Computer Science and also download more latest study material for all subjects

Object Oriented Concepts Class 12 Computer Science MCQ

Class 12 Computer Science students should refer to the following multiple-choice questions with answers for Object Oriented Concepts in standard 12. These MCQ questions with answers for Grade 12 Computer Science will come in exams and help you to score good marks

Object Oriented Concepts MCQ Questions with Answers

Question: When two people have same name, they can be distinguished using other attributes like______

  • a) Color
  • b) Name
  • c) Birth-date
  • d) Behavior

Answer: Birth-date


Question: To identifythe value of the attributes is used.

  • a) Personality
  • b) Objects
  • c) Procedures
  • d) Identity

Answer: Objects


Question: There is always a behavior associated with

  • a) Personality
  • b) Objects
  • c) Procedures
  • d) Identity

Answer: Objects


Question: The behavior of objects is also known as

  • a) Method
  • b) Technique
  • c) Process
  • d) Procedure

Answer: Method


Question: The_______of the object can change due to its behavior.

  • a) State
  • b) Method
  • c) Status
  • d) Class

Answer: State


Question: Object can be described in terms of

  • a) What it is called (identity)
  • b) What it is (its state)
  • c) What it does (behavior)
  • d) All of these

Answer: All of these


Question: In object-oriented programming, attributes that describe the object are also referred to as_____fields.

  • a) Information
  • b) Method
  • c) Data
  • d) Name

Answer: Data


Question: The data attributes and behavioral methods associated with an object are collectively referred to as its____or features.

  • a) Component
  • b) Associate
  • c) Part
  • d) Member

Answer: Member


Question: _______system uses the concept of class that enables to express the set of objects that are abstractly equivalent, differing only in the values of their attributes.

  • a) Object-oriented
  • b) Value-oriented
  • c) Data-oriented
  • d) All of these

Answer: Object-oriented


Question: ______can be considered as a blueprint for various objects.

  • a) Method
  • b) Class
  • c) Object
  • d) Member

Answer: Class


More Questions..........................


Question: A class is a_______for multiple objects with similar features.

  • a) Image
  • b) Representation
  • c) Template
  • d) Guide

Answer: Template


Question: A class describes a group of objects with similar______and common behaviour.

  • a) Features
  • b) Attributes
  • c) Values
  • d) States

Answer: Attributes


Question: _______in the same class share a common semantic purpose.

  • a) Methods
  • b) Classes
  • c) Objects
  • d) Members

Answer: Objects


Question: _______is a general concept used to embody all the common features of a particular set of objects.

  • a) Method
  • b) Class
  • c) Object
  • d) Member

Answer: Class


Question: The class______presents a collection of classes, constraints and relationship among classes.

  • a) Diagram
  • b) Map
  • c) Drawing
  • d) Figure

Answer: Diagram


Question: _______can be used to create models of object-oriented software to help with design of an application.

  • a) ULM
  • b) UML
  • c) LUM
  • d) MUL

Answer: UML


Question: _______is a visual modeling language defined and maintained by the Object Management Group.

  • a) ULM
  • b) UML
  • c) LUM
  • d) MUL

Answer: UML


Question: _______specifies several diagrams for representing different aspects of a software application.

  • a) ULM
  • b) UML
  • c) LUM
  • d) MUL

Answer: UML


Question: The purpose of the class________is to model the static view of an application.

  • a) Diagram
  • b) Map
  • c) Drawing
  • d) Figure

Answer: Diagram


Question: The class's diagrams are only diagrams which can be directly mapped with object-oriented.

  • a) Methods
  • b) Procedures
  • c) Languages
  • d) Attributes

Answer: Languages


Question: In class diagram, a class is represented with an icon using a rectangle split into______sections to present name, attributes and behaviour.

  • a) One
  • b) Two
  • c) Three
  • d) Four

Answer: Three


Question: In the class diagram, the name is in the______section.

  • a) Top
  • b) Middle
  • c) Centre
  • d) Bottom

Answer: Top


Question: In the class diagram, the attributes or methods are in the_____section.

  • a) Top
  • b) Middle
  • c) Centre
  • d) Bottom

Answer: Middle


Question: In the class diagram, the behaviour or operations are in the_____section.

  • a) Top
  • b) Middle
  • c) Centre
  • d) Bottom

Answer: Bottom


Question: Full form of UML is______

  • a) Unified Modelling Language
  • b) United Modelling Language
  • c) United Model of Languages
  • d) None of these

Answer: Unified Modelling Language


Question: Full form of OMG is______

  • a) Oriented Management Group
  • b) Oriented Managing Group
  • c) Object Management Group
  • d) Object Management Grouping

Answer: Object Management Group


Question: In UML notation, an attribute is declared using the following syntax :

  • a) [][:[=]]
  • b) [][:]]
  • c) [][:] ]
  • d)[:[=]]

Answer: [] [:]]


Question: In an attribute declaration, the______brackets are optional.

  • a) Round
  • b) Chain
  • c) Angle
  • d) Square

Answer: Square


Question: In an attribute declaration, the values should be specified in the_____brackets.

  • a) Round
  • b) Chain
  • c) Angle
  • d) Square

Answer: Angle


Question: In an attribute declaration, the______can be private, protected, public or package.

  • a) Visibility
  • b) Invisible
  • c) Evident
  • d) Obvious

Answer: Visibility

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