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The modules interacting with each other through message passing have _______ between them.
Select correct option:
low cohesion
high cohesion
low coupling
high couling
Which of the following is NOT among one of the four layers of the Object Oriented (OO) design
pyramid
Select correct option:
The subsystem layer
The class and object layer
The Abstract layer
The message layer
The first step in any OOA process model is to
Select correct option:
build an object-relationship model.
define collaborations between objects.
elicit customer requirements.
select a representation language.
A ___ relationship indicates that one entity is composed of one or more parts which are
themselves instances of that or another entity.
Select correct option:
Inheritance
Whole-part
Generalization
Specialization
is an extremely powerful technique for dealing with complexity.
Select correct option:
Aggregation
Abstraction
Inheritance
Association
Which of the following is NOT among one of the four layers of the Object Oriented
(OO) design pyramid
Select correct option:
The subsystem layer
The class and object layer
The Abstract layer
The message layer
___ is a technique in which we construct a model of an entity based upon its essential
characteristics and ignore the inessential details.
Select correct option:
Inheritance
Polymorphism
Aggregation
Abstraction
In ________ relationship, a class shares the structure and behavior defined in another class.
Select correct option:
Aggregation
Composition
Inheritance
Uses
Once you define “Employee” as an object for pay-roll application _______
Select correct option:
It can NOT be used for income tax, bonus, commission or any HR application.
It can be used for income tax, bonus, commission or any HR application.
It can only provide Read-Only properties
None of the given options
A class will be cohesive if:
Select correct option:
Class does not implement Complex interfaces
Class does not have Complex Methods
If most of the methods do not use most of the data members most of the time
if most of the methods use most of the data members most of the time.
In this case of _______, intra component linkages are stronger while inter component linkages
are weak.
Select correct option:
high cohesion
low coupling
low cohesion
high coupling
In the case of action-oriented approach, data is decomposed according to:
Select correct option:
Object requirements
Functionality requirements
Corresponding domain model
Compatibility with object interface
In the case of ________ in a system, module boundaries are not well defined.
Select correct option:
low cohesion
high coupling
low coupling
high cohesion
A ___ relationship indicates that one entity is composed of one or more parts which are
themselves instances of that or another entity.
Select correct option:
Inheritance
Whole-part
Generalization
Specialization
The three most important characteristics of an object are
Select correct option:
Identity
State
Behavior
All of the given
______ has become a standard notation for object oriented system modeling.
Select correct option:
UML
C++
OCL (object Constraint Language)
None of the given options
______ analysis educates the analyst on business domain complexity and shows a way to deal
with it.
Select correct option:
Domain
Use Case
Object Collaboration
None of the given options
___ is a technique in which we construct a model of an entity based upon its essential
characteristics and ignore the inessential details.
Select correct option:
Inheritance
Polymorphism
Aggregation
Abstraction
Coupling is a measure of _____ of a module or component.
Select correct option:
Independence
Dependence
Aggregation
Composition
localized
The first step in any OOA process model is to
Select correct option:
build an object-relationship model.
define collaborations between objects.
elicit customer requirements.
select a representation language.
“System should maintain transaction log of every transaction” The above statement is an
example of
Select correct option:
Functional requirement
Non-functional requirement
Pseudo requirement
None of the given options
The most important and critical stage in the object oriented design is the appropriate
classification of _______.
Select correct option:
functions
methods
objects
relationships
When two components of a system are using the same global data area, they are related as
Select correct option:
Data Coupling
Content Coupling
Common Coupling
External Coupling
Class responsibilities are defined by _________.
Select correct option:
its attributes only
its collaborators
its operations only
both its attributes and operations
___ is a technique in which we construct a model of an entity based upon its essential
characteristics and ignore the inessential details.
Select correct option:
Inheritance
Polymorphism
Aggregation
Abstraction
“A car is made up of a body, three or four wheels, a steering mechanism, a breaking mechanism,
and a power-engine” The above statement is example of:
Select correct option:
Whole-Part relationship
Inheritance
Specialization
Generalization
Identifying Whole-Part structures (Aggregations) means what are my _________
Select correct option:
Components
Attributes
Methods
Messages
Identifying Whole-Part structures (Aggregations) means what are my _______
Select correct option:
Components
Attributes
Methods
Messages
“A car is made up of a body, three or four wheels, a steering mechanism, a breaking mechanism,
and a power-engine” The above statement is example of:
Select correct option:
Whole-Part relationship
Inheritance
Specialization
Generalization
Which of the following is NOT among one of the four layers of the Object Oriented (OO) design
pyramid
Select correct option:
The subsystem layer
The class and object layer
The Abstract layer
The message layer
The design process usually involves:
Select correct option:
Developing a number of different models.
Looking at the system from different angles.
Describing the system at various levels of abstraction.
All of the given options
When two components of a system are using the same global data area, they are related
As
Data Coupling
Content Coupling
Common Coupling
External Coupling
An object model encompasses the principle(s) of
Select correct option:
Abstraction
Encapsulation
Hierarchy or inheritance
All of the given options
In this case of _________, intra component linkages are stronger while inter component
linkages are weak.
Select correct option:
high cohesion
low coupling
low cohesion
high coupling
In object oriented design, the structure of the system revolves around.
Select correct option:
Objects
Methods
Properties
None of the given options
________ analysis educates the analyst on business domain complexity and shows a way
to deal with it.
Select correct option:
Domain
Use Case
Object Collaboration
None of the given options
Class responsibilities are defined by ___________.
Select correct option:
its attributes only
its collaborators
its operations only
both its attributes and operations
Which of the following sentence(s) is/are true regarding user interface design?
Select correct option:
GUI interfaces are good for all tasks which a user needs to perform at an interface.
The higher the response time, the better is the interface.
The simpler the interface, the efficient is the system.
Command-line interfaces are faster for some tasks which the user needs to perform.
GUI stands for:
Select correct option:
Genaric User Interface
Graphical User Interface
Genaric User Interaction
Graphical User Interaction
Which of the following is NOT among one of the four layers of the Object Oriented (OO)
design pyramid
Select correct option:
The subsystem layer
The class and object layer
The Abstract layer
The message layer
A class will be cohesive if:
Select correct option:
Class does not implement Complex interfaces
Class does not have Complex Methods
If most of the methods do not use most of the data members most of the time
if most of the methods use most of the data members most of the time.
___ is a technique in which we construct a model of an entity based upon its
essential characteristics and ignore the inessential details.
Select correct option:
Inheritance
Polymorphism
Aggregation
Abstraction
The key objective(s) of OOD process should achieve the following:
Select correct option:
The class as far as possible should be Independent , but could be dependent on
only a few classes.
Interaction between two classes should be explicit.
Class hierarchy should be built on specialization of higher class.
All of the given options
“A car is made up of a body, three or four wheels, a steering mechanism, a breaking mechanism,
and a power-engine” The above statement is example of:
Select correct option:
Whole-Part relationship
Inheritance
Specialization
Generalization
A ___ relationship indicates that one entity is composed of one or more parts which are
themselves instances of that or another entity.
Select correct option:
Inheritance
Whole-part
Generalization
Identify the TRUE statement(s)
Select correct option:
An attribute that may have a number of values should be replaced by a new class and an object
connection
An attribute that varies over time, e.g., price of an item, should be replaced by an
additional class with an effective date and value
Replace “yes/no” type attributes with “status” type attributes for flexibility
All of given options
A structure is a manner of an organization which expresses a ______ strong organization within
the problem domain.
Select correct option:
semantically
syntactically
graphically
none of the given
semantically
Whole Part Structure is also called ____
Select correct option:
Generalization
Aggregation
Specialization
Association
Specialization means:
Calling the same method with object of child object
Hiding the data
Creating new subclasses from an existing class
None of given options
In “Railway ticket reservation system” the roles such as enquiry , reservation and ticketing and
cancellation are to be performed by the user called :-
Select correct option:
Passenger
System analyst
System developer
System designer
Defining the services of an object means:
Select correct option:
What it does?
What it knows?
Who knows it?
Whome it knows?
When a class gets physical existance in computer memory, it is called
Select correct option:
Parent Class
polymorphism
Static Object
Object
A class will be cohesive if:
Select correct option:
Class does not implement Complex interfaces
Class does not have Complex Methods
If most of the methods do not use most of the data members most of the time
if most of the methods use most of the data members most of the time.
A ___ relationship indicates that one entity is composed of one or more parts which are
themselves instances of that or another entity.
Select correct option:
Inheritance
Whole-part
Generalization
Specialization
—————-gives OO the ability to handle essential complexity better than action-oriented
approach.
Select correct option:
Centralization
Decentralization
Decentralization and Centralization
none of the given
_________ is an extremely powerful technique for dealing with complexity.
Select correct option:
Aggregation
Abstraction
Inheritance
Association
The modules interacting with each other through message passing have _______ between them.
Select correct option:
low cohesion
high cohesion
low coupling
high couling
Example of Coupling
Identifying Whole-Part structures (Aggregations) means what are my _______
Select correct option:
Components
Attributes
Methods
Messages
—————-gives OO the ability to handle essential complexity better than action-oriented
approach.
Select correct option:
Centralization
Decentralization
Decentralization and Centralization
none of the given
In the case of action-oriented approach, data is decomposed according to:
Select correct option:
Object requirements
Functionality requirements
Corresponding domain model
Compatibility with object interface
Identify the TRUE statement(s)
Select correct option:
An attribute that may have a number of values should be replaced by a new class and an object
connection
An attribute that varies over time, e.g., price of an item, should be replaced by an
additional class with an effective date and value
Replace “yes/no” type attributes with “status” type attributes for flexibility
All of given options
Software objects interact and communicate with each other using ______ .
Select correct option:
Whole-Part relation
Generalization/Specialization relation
Messages
None of given options.
A cohesive Class is one which emphasizes on __ unit of functionality
Select correct option:
Single
Multiple
Static
None of the given options
is an extremely powerful technique for dealing with complexity.
Select correct option:
Aggregation
Abstraction
Inheritance
Association
The key objective(s) of OOD process should achieve the following:
Select correct option:
The class as far as possible should be Independent , but could be dependent on
only a few classes.
Interaction between two classes should be explicit.
Class hierarchy should be built on specialization of higher class.
All of the given options
In this case of _______, intra component linkages are stronger while inter component linkages
are weak.
Select correct option:
high cohesion
low coupling
low cohesion
high coupling
Identifying Whole-Part structures (Aggregations) means what are my _______
Components
Attributes
mthods
messages
In ________ relationship, a class shares the structure and behavior defined in another class.
Select correct option:
Aggregation
Composition
Inheritance
Uses
Aggregation
A “register” in “Point of sale system” is an example of:
Select correct option:
Actor
Participant
Tangible thing
Transaction
Identify the TRUE statement(s)
Select correct option:
An attribute that may have a number of values should be replaced by a new class and an object
connection
An attribute that varies over time, e.g., price of an item, should be replaced by an additional class
with an effective date and value
Replace “yes/no” type attributes with “status” type attributes for flexibility
All of given options
To help separate an object’s external behavior from its implementation, the technique used is
called _________.
Select correct option:
Generalization
Association
Composition
Abstraction
While establishing the services for an object, the following fundamental questions should be
asked
Why does the system need this object any way?
What useful questions can it answer?
What useful action can it perform?
All of the given options
A change becomes ———– because of close presence of data and fucntions
Select correct option:
Accessible
Global
Private
Localized
Whole Part Structure is also called ______
Select correct option:
Generalization
Aggregation
Specialization
Association
Coupling is a measure of _____ of a module or component.
Select correct option:
Independence
Dependence
Aggregation
Composition
Class responsibilities are defined by _________.
Select correct option:
its attributes only
its collaborators
its operations only
both its attributes and operations
In “Point of Sale system”, the term “Payment” represents
Select correct option:
Actor
Participant
Transaction
Container
While establishing the services for an object, the following fundamental questions should be
asked
Select correct option:
Why does the system need this object any way?
What useful questions can it answer?
What useful action can it perform?
All of the given options