TCS Abstraction Questions with Answers

Question 1

Time: 00:00:00
Which of the following supports the concept of hierarchical classification?

Polymorphism

Polymorphism

Encapsulation

Encapsulation

Abstraction

Abstraction

Inheritance

Inheritance

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 2

Time: 00:00:00
Which Keyword from the following is used to inherit properties from one class into another?

extends

extends

subclasses

subclasses

native

native

all of the mentioned

all of the mentioned

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 3

Time: 00:00:00
What makes a class abstract?

By making all member functions constant.

By making all member functions constant.

By making at least one member function as pure virtual function.

By making at least one member function as pure virtual function.

By declaring it abstract using the static keyword.

By declaring it abstract using the static keyword.

By declaring it abstract using the virtual keyword.

By declaring it abstract using the virtual keyword.

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 4

Time: 00:00:00
Which type of class allows only one object of it to be created?

Virtual class

Virtual class

Abstract class

Abstract class

Singleton class

Singleton class

Friend class

Friend class

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 5

Time: 00:00:00
Which of the following concepts of OOPS means exposing only necessary information to client?

Encapsulation

Encapsulation

Abstraction

Abstraction

Data binding

Data binding

Data hiding

Data hiding

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 6

Time: 00:00:00
Which type of inheritance needs a virtual function:

Multi level inheritance

Multi level inheritance

Multiple inheritance

Multiple inheritance

Hybrid inheritance

Hybrid inheritance

All of the above

All of the above

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 7

Time: 00:00:00
Which of the following cannot be inherited?

Friend function

Friend function

Static function

Static function

Destructor

Destructor

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 8

Time: 00:00:00
Which of the following are available only in the class hierarchy chain?

Public data members

Public data members

Private data members

Private data members

Protected data members

Protected data members

Member functions

Member functions

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 9

Time: 00:00:00
Which of the following is not a type of inheritance?

Multiple

Multiple

Multilevel

Multilevel

Distributive

Distributive

Hierarchical

Hierarchical

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 10

Time: 00:00:00
The process of building new classes from existing one is called ______.

Polymorphism

Polymorphism

Structure

Structure

Inheritance

Inheritance

Cascading

Cascading

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

["0","40","60","80","100"]
["Need more practice! \r\n \r\n \r\n","Keep trying! \r\n \r\n \r\n","Not bad! \r\n \r\n \r\n","Good work! \r\n \r\n \r\n","Perfect! \r\n \r\n \r\n"]