Learn C++ MCQs
Prepare C++ MCQs (Multiple choice Questions) for exam and job interviews.
What is the output of cout << (true && true) << endl;
1) 1
2) 0
3) true
4) false
Answer : Option 1
Which of the following operators is used for pointer dereferencing in C++?
1) &
2) *
3) ->
4) ::
Answer : Option 2
What will be the output of cout << (4 == 5) << endl;
1) 1
2) 0
3) true
4) false
Answer : Option 2
Which of the following is a standard template library container in C++?
1) set
2) map
3) vector
4) All of the above
Answer : Option 4
What is the output of cout << (5 + 10 / 2) << endl;
1) 10
2) 15
3) 12
4) None of the above
Answer : Option 1
Which of the following is not a C++ loop construct?
1) for
2) foreach
3) while
4) do-while
Answer : Option 2
What is the output of cout << (0 << 2) << endl;
1) 0
2) 2
3) 1
4) None of the above
Answer : Option 1
Which of the following is used for string concatenation in C++?
1) +
2) &
3) <<
4) None of the above
Answer : Option 1
What is the purpose of the `volatile` keyword in C++?
1) To define a constant variable
2) To prevent optimization
3) To define a variable
4) None of the above
Answer : Option 2
What is the output of cout << (5 & 3) << endl;
1) 3
2) 2
3) 1
4) None of the above
Answer : Option 3