Question 1

What is that concept in type theory in which a single name may denote objects of many different classes that are related by some common super class referred to ______

Accepted Answer

A)  monomorphism
B)  type checking
C)  polymorphism
D)  generalization C

Question 2

The process of compartmentalizing the elements of an abstraction that constitute its structure and behavior is called as

Accepted Answer

A)  hierarchy
B)  encapsulation
C)  modularity
D)  entity abstraction B

Question 3

Choose the incorrect statement in terms of Objects.

Accepted Answer

A)  objects are abstractions of real-world
B)  objects can't manage themselves
C)  objects encapsulate state and representation information
D)  all of the mentioned B

Question 4

In Unified Modeling Language, diagrams that organize system elements into groups are classified as

Accepted Answer

A)  package diagrams
B)  organized diagram
C)  system diagrams
D)  class diagrams

Question 5

Which model in system modelling depicts the dynamic behaviour ofthe system

Accepted Answer

A)  context model
B)  behavioral model
C)  data model
D)  object model

Question 6

In which of the following mechanisms, types of all variables and expressions are not known until runtime

Accepted Answer

A)  strong typing
B)  weak typing
C)  static binding early binding
D)  dynamic binding late binding

Question 7

Abstraction is classified into _______ types

Accepted Answer

A)  4
B)  3
C)  2
D)  1

Question 8

In which of the following mechanisms, types of all variables and expressions are fixed at compilation time.

Accepted Answer

A)  strong typing
B)  weak typing
C)  static binding early binding
D)  dynamic binding late binding

Question 9

What encapsulates both data and data manipulation functions

Accepted Answer

A)  object
B)  class
C)  super class
D)  sub class

Question 10

What is the programming style of the object oriented conceptual model

Accepted Answer

A)  invariant relationships
B)  algorithms
C)  classes and objects
D)  goals, often expressed in a predicate calculus.

Exam 3: UML Diagrams and Object-Oriented Concepts in System Modelling