C++ MCQs with answers Page - 157

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Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x >= y ? x : y);

(A) 10
(B) 20
(C) 0
(D) Error

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Q. Which of the following is the correct way to define a function with an override specifier in C++?

(A) void myFunction() override { }
(B) void myFunction() { }
(C) Both A and B
(D) None of the above

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Q. Which of the following is the correct way to define a function with a final specifier in C++?

(A) void myFunction() final { }
(B) void myFunction() { }
(C) Both A and B
(D) None of the above

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Q. Which of the following is the correct way to define a function with a constexpr specifier in C++?

(A) constexpr void myFunction() { }
(B) void myFunction() constexpr { }
(C) Both A and B
(D) None of the above

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Q. Which of the following is true about constructors in C++?

(A) They have the same name as the class
(B) They do not have a return type
(C) They are automatically called when an object is created
(D) All of the above

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Q. Which operator is used for dynamic memory allocation in C++?

(A) malloc
(B) new
(C) alloc
(D) allocate

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Q. What is the output of the following C++ code?

int x = 10;
cout << ++x;

(A) 9
(B) 10
(C) 11
(D) Compilation error

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Q. Which C++ keyword is used to define an abstract class?

(A) abstract
(B) virtual
(C) pure
(D) class

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Q. Which data type is used to store a sequence of characters in C++?

(A) char
(B) string
(C) array
(D) Both A and B

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Q. Which C++ feature allows a derived class to inherit members from a base class?

(A) Encapsulation
(B) Polymorphism
(C) Inheritance
(D) Abstraction

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C++ MCQs with answers Page - 157

Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x >= y ? x : y);

Q. Which of the following is the correct way to define a function with an override specifier in C++?

Q. Which of the following is the correct way to define a function with a final specifier in C++?

Q. Which of the following is the correct way to define a function with a constexpr specifier in C++?

Q. Which of the following is true about constructors in C++?

Q. Which operator is used for dynamic memory allocation in C++?

Q. What is the output of the following C++ code? int x = 10; cout << ++x;

Q. Which C++ keyword is used to define an abstract class?

Q. Which data type is used to store a sequence of characters in C++?

Q. Which C++ feature allows a derived class to inherit members from a base class?

Add MCQ in this Category

Browse Categories

Q. What is the output of the following C++ code?

int x = 10;
cout << ++x;