Online Test



What does the cerr represent?

What is the output of this program?

#include <stdio.h>
    #include <math.h>
    int main ()
        printf ("The value of -3.1416 is %lf\n", fabs (-3.1416));
        return 0;

To perform stream I/O with disk files in C++, you should 

If we create a file by ‘ifstream’, then the default mode of the file is

The operator that cannot be overloaded is 

Use of virtual functions implies 

Which of the following access specifies is used in a class definition by default?

What we can’t do on a void pointer?

Identify the user-defined types from the following?

Void pointer can point to which type of objects?

Operator overloading is

Which of the following statement is correct?


Which of the following statement is correct?


A pointer to the base class can hold address of 

What is the benefit of c++ input and output over c input and output?


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