The Object oriented system developed by Dr Pradhan P L which will be helpful to GATE-UPSC-NET Exam for B Tech, M Tech CSE ,IT, BCA, MCA & MSc ( Computer Sc & IT ) OOS MCQ 2018 Developed by Dr PL Pradhan, IT Dept, TGPCET, NAGPUR, INDIA Subject Teacher of OOM as per RTM Nagpur university

1. TGPCET NAGPUR INDIA
OOS-MCQ for GATE-UPSC-NETQNS
OOS MCQ 2018 Developed by Dr PL Pradhan, IT Dept,
TGPCET, NAGPUR, Subject Teacher of OOM.
6/30/2018
Tulsiramji Gaikwad-Patil College of Engineering and Technology
Wardha Road, Nagpur-441 108
NAAC Accredited
Department of Information Technology
OOS MCQ 2018
The Object oriented system developed by Dr Pradhan P L which will be helpful to GATE-UPSC-NET Exam
for B Tech, M Tech CSE ,IT, BCA, MCA & MSc ( Computer Sc & IT )

2. Developed by Dr PL Pradhan PL,
IT Dept, TGPCET, NAGPUR, INDIA
Subject Teacher of OOM.
QNS.SN Description of Questions Answer
1. Object oriented technology is built upon a sound engineering
foundation, whose elements are collectively called as _________
a) Von Neumann Model
b) Object Model
c) Structured Model
d) Programming Model
Object Model
2. 2) Which of the following programming language are object
oriented in nature
a) Smalltalk and Simula
b) FORTRAN and ALGOL
c) C and Ada
d) Perl and Python
Smalltalk and Simula
3. 3) Callback is an operation provided by
a) Inheritance
b) Encapsulation
c) Modularity
d) Abstraction
Abstraction
4. Inheritance is an example of which type of hierarchy
a) Class Structure
b) Object Structure
c) Both
d) None of the mentioned
Class Structure
5. 7) Superclass represents ______________ abstractions
a) Generalized abstractions
b) Specialization abstractions
c) Both
d) None of the mentioned
Generalized
abstractions
6. 8) Subclass represents _______________ abstractions
a) Generalized abstractions
b) Specialization abstractions
c) Both
d) None of the mentioned
Specialization
abstractions
7. _____________ is the property that distinguishes an active
object from one that is not active.
a) Persistence
b) Typing
c) Aggregation
d) Concurrency
Concurrency
8. ) Which of the following property is associated with objects?
a) State
b) Behavior
c) Identity All of the mentioned

3. d) All of the mentioned
9. 2) Which of the property of a object encompasses all of the
(usually static) properties of the object plus the current
(usually dynamic) values of each of these.
a) Semantics
b) Behavior
c) State
d) Identity
State
10. Which of the following object types are generally autonomous,
meaning that they can exhibit some behavior without being
operated upon by another object
a) Passive
b) Active
c) Both a and b
d) None of the mentioned
Active
11. A ________ is a description of a set of objects that share the
same attributes, operations, relationships, and semantics.
a) Structure
b) Class
c) Constructor
d) Function
Class
12. A ________ is a special member function whose task is to
initialize the objects of its class.
a) Constructor
b) Destructor
c) Selector
d) Iterator
Constructor
13. A subsystem is a system that functions as a component of
another ________.
A) system
B) organization
C) computer
D) application
System
14. Class is a set of objects that share the same ________.
A) name
B) state
C) attributes and operations
D) all of the above
attributes and
operations
15. The employee name is Richard Smith and he checks the
inventory periodically." In this sentence, "Richard Smith" is
the ________ of attribute "name"
A) class
object

4. B) object
C) value
D) operation
16. ________ are deployed to model requirement gathering.
A) Use cases
B) UML
C) SDLC
D) Functional requirements
Use cases
17. ________ specifies how the behavior of the system must be
tailored to the level of its users' expertise.
A) Reliability
B) Testability
C) Usability
D) Maintainability
Maintainability
18. Analysis process which involves analyzing and designing of
system from an object-oriented programming is termed as
 Object Analysis
 Object Oriented Analysis
 Overall Oriented Analysis
 System Analysis
Object Oriented
Analysis
19. Process used for determining respective project's requirements
and than develop a design for that project is termed as
A. initializing
B. requirement checking
C. analysis
D. project study
analysis
20. In 1977, Apple Computer popularized phenomenon of
A. Digital computing
B. Personal computing
C. Distributed computing
D. Client/server computing
Personal
computing

5. 21. Diagram which shows relationship between classes is termed
as
A. Class diagram
B. sequential diagram
C. use case diagram
D. communication diagram
Class diagram
22. Polymorphism is achieved by
A. Operators
B. Arrays
C. Constructors
D. Virtual function
Virtual function
23. Diagram which shows how objects communicate with each
other regarding a sequence of messages is called
A. object diagram
B. sequential diagram
C. use case diagram
D. communication diagram
communication
diagram
24. Programming language which sometimes called 'write once,
run any where is
A. Java
B. Basic
C. Pascal
D. Ada
Java
25. At Ericson, UML was developed by
A. Grady Booch
B. James Rumbaugh
C. Ivar Jacobson
D. Robert Lafore
Ivar Jacobson

6. 26. Programming language which uses both object-oriented
programming and functional programming paradigms is
A. Scala
B. Ada
C. Pascal
D. Machine language
Scala
27. A base class contains elements common to a group of
A. parent classes
B. derived classes
C. sub classes
D. variables
derived classes
28. First object oriented language 'Smalltalk' were first appeared
in
A. 1972
B. 1982
C. 1992
D. 2000
1972
29. In object oriented programming there are two distinct views,
one is consumer and second is manufacturer view, that
consumer action are called
A. Functions
B. Operations
C. Methods
D. All of them
Operations
30. How many operators are supported by C++?
A. 30 operators
B. 40 operators
C. 45 operators
D. 65 operators
40 operators

7. 31. Gorden Moore was co-founder of
A. Intel
B. HP
C. Dell
D. Sony
Intel
32. At Rational Software, UML were developed by
A. Grady Booch
B. James Rumbaugh
C. Ivar Jacobson
D. Robert Lafore
Grady Booch
33. A procedure for solving a problem in terms of actions and their
order, is called as
A. Program instructions
B. Algorithm
C. Template
D. All of them
Algorithm
34. Many companies find that being able to reuse classes on a
second project provides original programming investment
A. decrease return
B. increase return
C. no return
D. infinite return
increase return
35. Procedural language contains systematic order of
A. statements
B. objects
C. classes
D. operations
statements

8. 36. Rectangle symbol in flowchart is called as
A. Action symbol
B. Terminating symbol
C. Begin symbol
D. Connector symbol
Action symbol
37. Complex real object contains
A. attributes
B. variables
C. constants
D. strings
attributes
38. Member function will access data and return value to user
when it is
A. called
B. declared
C. initialized
D. deleted
called
39. Android operating system was acquired by Google in
A. 2002
B. 2004
C. 2005
D. 2007
2004
40. When an object goes out of scope, which function is called
automatically?
A. Constructor
B. Destructor
C. Inline
D. End of line
Destructor

9. 41. Language which is called pure object oriented language
because everything in it is treated consistently as an object,
from primitives such as characters and punctuation, all way up
to whole classes, prototypes, blocks, modules, etc. is
A. SmallTalk
B. PHP
C. C
D. Matlab
SmallTalk
42. Today's fastest growing mobile phone operating system is
A. Apple's IOS
B. Google's Android
C. Mac OS X
D. Black berry OS
Google's Android
43. C++ systems consists of
A. Environment
B. The Language
C. The standard libraries
D. All of them
All of them
44. In an economical model, physical object is
A. economics
B. transport
C. probability
D. country
country
45. In C++, original class is called
A. base class
B. derived class
C. sub class
D. object
base class

10. 46. Mobile operating system is
A. Linux
B. Windows 10
C. Mac OS X
D. Black berry OS
Black berry OS
47. Provision of a single interface to entities of different types is
termed as
A. polymorphism
B. dimorphism
C. trimorphisim
D. automorphism
polymorphism
48. Data in an object oriented language is safe from accidental
alternation as it is
A. buged
B. compressed
C. hidden
D. error free
hidden
49. FORTRAN was developed by
A. Macintosh
B. Microsoft
C. IBM
D. None of them
IBM
50. If we want to read a data item in an object, member function in
an object is
A. call
B. declare
C. initialize
D. delete
call

11. 51. There are how many ways to use existing classes to define a
new class?
A. 1
B. 2
C. 3
D. 4
2
52. Data encapsulation and data hiding are key features of
A. procedural language
B. machine language
C. structural language
D. object oriented language
object oriented
language
53. When a data member of new class is an object of another class,
it is called as
A. New class is a composite of other objects
B. New class is inherited
C. New class is aggregate of another
D. None of them
New class is a
composite of other
objects
54. Which of following language designed mainly for object
oriented programming, but with some procedural elements?
A. Java
B. PHP
C. Visual Basic
D. Matlab
Java
55. UML language is helpful in developing
A. software systems
B. hardware systems
C. control systems
D. instrumental systems
software systems

12. 56. First version of UML was released in
A. 1980s
B. 1991
C. 1996
D. 2000
1996
57. We can define a new class from an existing class, by using
A. Inheritance
B. Composition
C. Constructors
D. Both A and B
Both A and B
58. Object oriented language has single unit which combines
A. data and function
B. data and constant
C. function and simulation
D. string and character
data and function
59. If a class wants to allow clients to read private data, class can
provide a
A. Get function
B. Set function
C. Allow function
D. Both A and B
Both A and B
60. A. Wrapping of private data in classes in object-oriented
programming languages is termed as:
B. data encapsulation
C. data declaration
D. data initialization
E. data deletion
data encapsulation

13. 61. C++ allows objects of different types to respond differently to
same function call, is called
A. Inheritance
B. Encapsulation
C. Polymorphism
D. None of them
Polymorphism
62. At General Electric, UML were developed by
A. Grady Booch
B. James Rumbaugh
C. Ivar Jacobson
D. Robert Lafore
James Rumbaugh
63. A UML diagram that facilitates requirements gathering and
interacts between system and external users, is called as
A. Flowchart diagram
B. Sequence diagram
C. Use case diagram
D. Data flow diagram
Use case diagram
64. In programming, reusable code is use of similar code in
A. single function
B. two functions
C. multiple functions
D. can't use similar code
multiple functions
65. n Smalltalk language, object functions are named as
A. member functions
B. methods
C. local functions
D. linear functions
methods

14. 66. Composition is often referred as "has-a" relation, whereas
inheritance is referred as
A. with-relation
B. is-a relationship
C. to-a relationship
D. None of them
is-a relationship
67. Diagram which describes how a software system is split up into
components and shows dependencies among these components
A. object diagram
B. component diagram
C. use case diagram
D. communication diagram
component
diagram
68. Overloading is kind of
A. polymorphism
B. dimorphism
C. trimorphisim
D. automorphism
polymorphism
69. Sending a message to object is referred to as
A. calling object
B. declaring object
C. sending object
D. initializing object
calling object
70. Object provides an approach to program organization by
helping to
A. delete program's data
B. maintain program's data
C. send program's data
D. initialize program's data
maintain program's
data

15. 71. As functions do in procedural program, inheritance element
shortens an
A. object oriented program
B. machine program
C. procedural program
D. structural program
object oriented
program
72. Attributes are also known as
A. characteristics
B. behavior
C. constants
D. loops
characteristics
73. Analysis process which involves analyzing and designing of
system from an object-oriented programming is termed as
A. Object Analysis
B. Object Oriented Analysis
C. Overall Oriented Analysis
D. System Analysis
Object Oriented
Analysis
74. One object oriented class can become parent of several
A. objects
B. sub classes
C. sub objects
D. variables
sub classes
75. Three separate modeling languages of UML were known as
A. three UML
B. three amigos
C. three objects
D. three class
three class

16. 76. Complex real object must have some particular movement,
referred to as
A. behavior
B. variables
C. constants
D. strings
behavior
77. In object oriented language, program is divided into
A. objects
B. functions
C. data
D. loops
objects
78. Objects are members of
A. classes
B. functions
C. variables
D. data
classes
79. Data and function in object oriented programming is
encapsulated into
A. single unit
B. two different units
C. global data
D. local data
single unit
80. A class that have no pure virtual member functions, are called
A. Polymorphic class
B. Concrete class
C. Base class
D. Abstract class
Concrete class

17. 81. IPods, iPhones and iPads programming is based on
A. Objective C
B. Basic
C. Pascal
D. Ada
Objective C
82. When a class serves as base class for many derived classes, the
situation is called:
polymorphism
1. hierarchical inheritance
2. hybrid inheritance
3. multipath inheritance
4. none of these
hierarchical
inheritance
83. When two or more classes serve as base class for a derived class,
the situation is known as __________.
multiple inheritance
1. polymorphism
2. encapsulation
3. hierarchical inheritance
4. none of these
multiple inheritance
84. Multiple inheritance leaves room for a derived class to have
_______ members.
dynamic
1. private
2. public
3. ambiguous
4. none of these
5. ambiguous
85. 1. Hybrid inheritance is ___________.
1. multiple inheritance
2. multilevel inheritance
3. multipath inheritance ...
multiple
inheritance
6.

18. 86. Overloading is otherwise called as
A
.
virtual polymorphism
B.transient polymorphism
C
.
pseudo polymorphism
D
.
ad-hoc polymorphism
2.
ad-hoc polymorphism
7.
87. Which of the following cannot be declared static?
A
.
Class
B.Object
C
.
Functions
D
.
Both (a) &
(b)
3.
D
.
Both (a) &
(b)
8.
88.
A class may
A
.
not have friends
B.have one friend
C
.
have one friend function and one friend class
D
.
have any number of friends
have any number of
friends
89. Data hiding is used to create
A
.
inline functions
B.private class members
C
.
nonscalar type
D
.
cryptic code
private class members
90. Friendship may be granted to
A.no member functions of other classes
B.one member function from one other class
C.one member function each from as many classes as appropriate
D.as many member functions of other classes as appropriate.
as many member
functions of other
classes as appropriate

19. 91. The method of design encompassing the process of object oriented
decomposition and a notation for depicting both logical and
physical and as well as static and dynamic models of the system
under design is known as:
a) Object- Oriented Programming
b) Object- Oriented Design
c) Object- Oriented Analysis
d) None of the mentioned
Object- Oriented
Design
92. What is the programming style of the object oriented conceptual
model?
a) Invariant relationships
b) Algorithms
c) Classes and objects
d) Goals, often expressed in a predicate calculus.
Classes and objects
93. The essential characteristics of an object that distinguish it from all
other kinds of objects and thus provide crisply defined conceptual
boundaries, relative to the perspective of the viewer is called:
a) Encapsulation
b) Modularity
c) Hierarchy
d) Abstraction
Abstraction
94. Abstraction is classified into _______ types
a) 4
b) 3
c) 2
d) 1
4
95. he process of compartmentalizing the elements of an abstraction
that constitute its structure and behavior is called as
a) Hierarchy
b) Encapsulation
c) Modularity
d) Entity Abstraction
Encapsulation
96. Single inheritance, Multiple inheritance, and Aggregation comes
under _______
a) Modularity
b) Typing
c) Hierarchy
d) None of the mentioned
Hierarchy
97. In which of the following mechanisms, types of all variables and
expressions are fixed at compilation time.
a) Strong Typing
b) Weak Typing
c) Static Binding/ early binding
d) Dynamic Binding/ late binding
Static Binding/ early
binding

20. 98. In which of the following mechanisms, types of all variables and
expressions are not known until runtime
a) Strong Typing
b) Weak Typing
c) Static Binding/ early binding
d) Dynamic Binding/ late binding
Dynamic Binding/ late
binding
99. 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 ______
a) Monomorphism
b) Type Checking
c) Polymorphism
d) Generalization
Polymorphism
100. 1) Which of the following property is associated with objects?
a) State
b) Behavior
c) Identity
d) All of the mentioned
All of the mentioned
101. 2) Which of the property of a object encompasses all of the
(usually static) properties of the object plus the current (usually
dynamic) values of each of these.
a) Semantics
b) Behavior
c) State
d) Identity
State
102. 5) A ________ is a description of a set of objects that share the
same attributes, operations, relationships, and semantics.
a) Structure
b) Class
c) Constructor
d) Function
Class
103. A ________ is a special member function whose task is to
initialize the objects of its class.
a) Constructor
b) Destructor
c) Selector
d) Iterator
Constructor
104. Which of the following is the functionality of ‘Data Abstraction’?
a) Reduce Complexity
b) Binds together code and data
c) Parallelism
d) None of the mentioned
Reduce Complexity
105. 2. Which of the following mechanisms is/are provided by Object
Oriented Language to implement Object Oriented Model?
All of the mentioned

21. a) Encapsulation
b) Inheritance
c) Polymorphism
d) All of the mentioned
106. Which of the these is the functionality of ‘Encapsulation’?
a) Binds together code and data
b) Using single interface for general class of actions.
c) Reduce Complexity
d) All of the mentioned
) Binds together code
and data
107. What is ‘Basis of Encapsulation’?
a) object
b) class
c) method
d) all of the mentioned
d) all of the mentioned
108. 5. How will a class protect the code inside it?
a) Using Access specifiers
b) Abstraction
c) Use of Inheritance
d) All of the mentioned
Using Access
specifiers
109. Which of the following is a mechanism by which object acquires
the properties of another object?
a) Encapsulation
b) Abstraction
c) Inheritance
d) Polymorphism
Inheritance
110. . Which of the following supports the concept of hierarchical
classification?
a) Polymorphism
b) Encapsulation
c) Abstraction
d) Inheritance
Inheritance
111. . Which Keyword from the following is used to inherit properties
from one class into another?
a) extends
b) subclasses
c) native
d) all of the mentioned
extends
112. Which of the following concept is often expressed by the phrase,
‘One interface, multiple methods’?
a) Abstraction
b) Polymorphism
c) Inheritance
d) Encapsulation
Polymorphism

22. 113.
Which is not one of the model of OMT?
Options
- dynamic
- static
- functional
- none
functional
114.
UML stands for -
Options
- Universal Modeling Language
- Unified Modelling Language
- Universal Modelling Language
- Unified Modelling Language
Unified Modelling
Language
115.
UML is not a language for -
Options
- visualization
- documentation
- simplification
- construction
simplification
116.
Structural things are identified by __________________ of UML
models.
Options
- nouns
- classes
- objects
- entities
nouns
117. Which doesn’t represent a relationship in UML
- Dependency
- Generalization
- Specification
- Realization
Specification
118.
There are generally ________ diagrams used in UML.
Options
- seven
- eight
- nine
nine

23. - ten
119.
Interaction diagrams are -
Options
- Sequence Diagram
- Collaboration Diagram
- both a and b
- none
both a and b
120. When a class serves as base class for many derived classes, the
situation is called:
polymorphism
1. hierarchical inheritance
2. hybrid inheritance
3. multipath inheritance
4. hierarchical
inheritance
121. When two or more classes serve as base class for a derived class,
the situation is known as __________.
multiple inheritance
1. polymorphism
2. encapsulation
3. hierarchical inheritance
4. none of these
multiple inheritance
5.
122. What type of relationship is represented by Shape class and Square
?
Realization
Generalization
Aggregation
Dependency
Realization
123. The class diagram, component diagram, object diagram and
deployment diagram are considered as types of
structural diagrams
behavioral diagrams
non-behavioral diagrams
non structural diagrams
structural diagrams
124. he weak entities are represented in UML diagrams by using
aggregations called
qualified segregation
non-qualified segregation
non-qualified aggregation
qualified aggregation
qualified aggregation
125. In UML diagrams, the relationship between the object and
component parts is represented by
Coordination
aggregation
segregation
increment
aggregation

24. 126.
Dynamic models are used to define the … of components
overtime.
Behavior,Strategy,Condition,Other
Behavior
127.
Object Oriented Programming is characterized by using
encapsulation
inheritance.
polymorphism.
all of the above.
all of the above.
128.
.An attribute is a data item held by which of the following ?
a) Class
b) Object
c) All of the mentioned
d) None of the mentioned
All of the
mentioned
129.
An operation can be described as?
a) Object behavior
b) Class behavior
c) Functions
d) Object & Class behavior
Object & Class
behavior
130.
Which of these are the heuristics ?
a) Name classes, attributes, and roles with noun phrases
b) Name operations and associations with verb phrases
c) Stick to binary associations
d) All of the mentioned
All of the
mentioned

25. A class that takes data pertaining to a business event and translates the data for appropriate
presentation to the user would be a(n):-
A) system class-
B)
interface class-
C)
persistence class-
D)
control class
E)
entity class-
---2 INCORRECT
Which of the following is(are) the UML level of visibility?
A) persistent- B) public- C)
protected- D) both (b) and (c)- E) both
(a) and (b) and (c)
---3 INCORRECT
A class that contains business-related information and implements the analysis classes is a(n):-
A) interface class
B) control class- C) entity class- D)
object-oriented class- E) none of the above-
--4 INCORRECT
For which level of visibility, the attributes of an object can be accessed and methods can be invoked
by any other methods in any other class? (check)- A) protected-
B) unprotected
C) private- D) public- E)
persistence- -

26. -5 INCORRECT
A customer class in a sales system would be an example of a(n):- A)
interface class- B) entity class- C) control class
D) system class- E) persistence class-
--
6 INCORRECT
Which of the following is NOT a tool that can be used for discovering class behaviors and
responsibilities?- A) interface diagram- B) class
diagram- C) CRC card- D) sequence diagram
E) none of the above- ---7 INCORRECT
Which diagram depicts classes that correspond to software components that are used to build the
software application?
A) state transition- B) design class-
C) state machine- D) sequence- E)
none of the above
---8 INCORRECT
Which of the following is the last step in modeling class interactions, behaviors, and states that
support the use-case scenarios?- A) transforming the “analysis” use cases
to “design” use cases
B) identifying class behaviors and responsibilities- C)
identifying class attributes- D) identifying and classifying use-case
design classes- E) model object states-
--9 INCORRECT
Which of the following is not included on a design class diagram?- A)
methods with parameters- B) dependencies
C)
cla
sses
D) entities
E)
na
vigability
10 CORRECT
Which diagram
models the life

27. cycle of a single
object? A)
visi
bility diagram
B)
sta
te transition
C)
se
quence
D) state machine
E)
no
ne of the above