Sawaal
  • Home/
  • Searching for V

 Searching for "V"

Q:

What is meant by pure virtual function?

A) Function which does not have definition of its own. B) Function which does have definition of its own.
C) Function which does not have any return type. D) None of the mentioned
 
Answer & Explanation Answer: A) Function which does not have definition of its own.

Explanation:

As the name itself implies, it have to depend on other class only.

Report Error

View Answer Report Error Discuss

Filed Under: C++

Q:

Which of the following can derived class inherit?

A) members B) functions
C) both a & b D) None of the above
 
Answer & Explanation Answer: C) both a & b

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: C++

Q:

What is the general syntax for accessing the namespace variable?

A) namespaceid::operator B) namespace,operator
C) namespace#operator D) none of the mentioned
 
Answer & Explanation Answer: A) namespaceid::operator

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: C++

Q:

In which of the following we cannot overload the function?

A) return function B) caller
C) called function D) none of the mentioned
 
Answer & Explanation Answer: A) return function

Explanation:

While overloading the return function, it will rise a error, So we can’t overload the return function.

Report Error

View Answer Report Error Discuss

Filed Under: C++

Q:

What is the output of this program?

#include
        using namespace std;
        void fun(int x, int y)
        {
            x = 20;
            y = 10;
        }
        int main()
        {
            int x = 10;
            fun(x, x);
            cout << x;
            return 0;
        }

A) 10 B) 20
C) compile time error D) none of these
 
Answer & Explanation Answer: A) 10

Explanation:

In this program, we called by value so the value will not be changed, So the output is 10

Report Error

View Answer Report Error Discuss

Filed Under: C++

Q:

Which is more effective while calling the functions?

A) call by value B) call by reference
C) call by pointer D) none
 
Answer & Explanation Answer: B) call by reference

Explanation:

In the call by reference, it will just copy the address of the variable to access it, so it will reduce the memory in accessing it.

Report Error

View Answer Report Error Discuss

Filed Under: C++

Q:

LONGEST RIVER IN ODISHA

Answer

Mahanadi

Report Error

View answer Workspace Report Error Discuss

Subject: Indian Geography

Q:

Which of the following gives the memory address of the first element in array?

A) array[0]; B) array[1];
C) array(2); D) array;
 
Answer & Explanation Answer: D) array;

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: C++