OOPS through c++ quiz unit 1

Question 1

10. What is a subclass?

Accepted Answer

d) A class that inherits properties from another class

Question 2

26: C is a _____ language, while C++ supports

Accepted Answer

B) Procedural, both procedural and object-oriented

Question 3

31: How do you deallocate memory for an array allocated with `new`?

Accepted Answer

C) `delete[] ptr;`

Question 4

21: Which of the following is not an application of Object-Oriented Programming (OOP)?

Accepted Answer

d) Cooking recipes

Question 5

30: What does the `new` operator do in C++?

Accepted Answer

B) Allocates memory dynamically and returns a pointer

Question 6

25: What is defined in the Member Function Definition Section of a C++ program?

Accepted Answer

d) The functions (methods) of a class

Question 7

17. Which of the following is a benefit of Object-Oriented Programming (OOP)?

Accepted Answer

b) Code reusability

Question 8

24: What are the two types of comment statements in C++?

Accepted Answer

a) Single line and multiline comments

Question 9

29: What was the total number of keywords in C++23?

Accepted Answer

D) 95

Question 10

13. What is function overloading?

Accepted Answer

b) Using a single function name to perform different tasks

Question 11

20. Which one of these is not a benefit of OOP?

Accepted Answer

d) Rewriting code every time

Question 12

14. What is dynamic binding?

Accepted Answer

c) Binding data at run time

Question 13

27: In C, memory is allocated using _____, while C++ uses

Accepted Answer

B) malloc/free, new/delete

Question 14

9. What is inheritance in object-oriented programming?

Accepted Answer

a) Deriving a new class from an existing class

Question 15

18. What is meant by "real-world modelling" in OOP?

Accepted Answer

c) Representing real-life things using classes and objects

Question 16

2. What is a class?

Accepted Answer

c) A user-defined data type with data and functions

Question 17

22: Who developed C++ and in which year was it created?

Accepted Answer

d) Bjarne Stroustrup in 1985

Question 18

28: How many keywords were added in C++11 compared to C++98?

Accepted Answer

B) 10

Question 19

19. In OOP, what makes code reusability easier?

Accepted Answer

c) Inheritance and polymorphism

Question 20

4. When does memory get allocated to a class?

Accepted Answer

c) When the class is installed with an object

Question 21

1. What is the main focus of procedural programming?

Accepted Answer

b) Functions and algorithms

Question 22

15. In Object-Oriented Programming (OOP), a program is divided into:

Accepted Answer

a) Classes and objects

Question 23

8. How can you access the data inside a class?

Accepted Answer

b) Through member functions only

Question 24

16. What is the basic difference between POP and OOP in terms of data?

Accepted Answer

d) In POP, data is shared; in OOP, data is encapsulated

Question 25

7. What is data encapsulation?

Accepted Answer

b) Wrapping data and functions into one single unit

Question 26

6. What is data abstraction?

Accepted Answer

c) Showing only essential features, hiding background details

Question 27

11. What is a superclass?

Accepted Answer

c) The class whose properties are inherited by another class

Question 28

12. What is polymorphism?

Accepted Answer

d) Performing many operations with one function or operator

Question 29

3. What is an object in programming?

Accepted Answer

b) When the class is written

Question 30

Q: How many main sections is a C++ program divided into?

Accepted Answer

a) 5

Question 31

5. What are the three main characteristics of an object?

Accepted Answer

b) State, behavior, identity

OOPS through c++ quiz unit 1

Questions 31

OOPS through c++ quiz unit 1

Questions 31