Online Test

:

 

Which will be used with physical devices to interact from C++ program?


When will the cin can start proceessing of input?


Use of virtual functions implies 


Which of the following statement is correct?

 


What is the size of wchar_t in C++?


The operator that cannot be overloaded is 


this pointer 


What does the checked iterator allow you to find?


How many streams are automatically created when executing a program?


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


Which of the following statements are true?
    int f(float)


Which of the following statement is correct?

 


What does the cerr represent?


What we can’t do on a void pointer?


How many constructors can a class have? 


Operator overloading is


What does a escape code represent?


What will be the output of the following program?

#include<iostream.h>
long EpiFunction(int x, int y = 5, float z = 5)
{
    return(++x * ++y + (int)++z);
}
int main()
{
    cout<< EpiFunction(20, 10); 
    return 0;
}

Which of the following function prototype is perfectly acceptable?


What is the output of this program?

  #include <stdio.h>    
    #include <stdlib.h>   
    int main ()
    {
        int n, m;
        n = abs(23);
        m = abs(-11);
        printf ("%d", n);
        printf ("%d", m);
        return 0;
    }

Identify the user-defined types from the following?


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


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;
    }

Void pointer can point to which type of objects?


What is the use of header 

 

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