C++ Programming Quiz

1. Which of the following operator functions cannot be global, i.e., must be a member function.

new
delete
Converstion Operator
All of the above

2. What is true about bitset?

A bitset is an array of bool 
A limitation of bitset is, N must be known at compile time
As bitset stores the same information in compressed manner the operation on bitset are faster than that of array and vector.
All of the above

3. Can main() function be made private?

Yes, always
Yes, if program doesn't contain any classes
No, because main function is user defined
No, never

4. The number of values between braces { } can not be larger than the number of elements that we declare for the array between square brackets [ ].

TRUE
FALSE
Can be true or false
Can not say

5. Which of the following access specifier is used as a default in a class definition?

Private
Public
Friend
Protected

6. When the function has no definition, such function is known as ________ function.

pure virtual function
do-nothing
late function
Both A and B

7. What will be the output of this program?

#include <iostream>
using namespace std;
 
template <int i>
void fun()
{
   i = 20;
   cout << i;
}
 
int main()
{
   fun<10>();
   return 0;
}

Compile Error
10
20
15

8. Which of the following correctly declares an array in C++?

array{10};
array array[10];
int array;
int array[10];

9. What will be the output of this program?

#include <iostream>
using namespace std;
  
template<int n> struct funStruct
{
    static const int val = 2*funStruct<n-1>::val;
};
  
template<> struct funStruct<0>
{
    static const int val = 1 ;
};
  
int main()
{
    cout << funStruct<10>::val << endl;
    return 0;
}

Compiler Error
1
2
1024

10. A programming language is said to use static typing when type checking is performed during compile-time as opposed to run-time.

TRUE
FALSE
Can be true or false
Can not say