What does the cerr represent?

• Standard error stream
• Standard logging stream
• Input stream
• Output stream

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;
    }

• 3.1416
• -3.1416
• -3.141600
• 3.141600

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

• open and close files as in procedural languages.
• use classes derived from ios.
• use C language library functions to read and write data.
• include the IOSTREAM.H header file.

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

• ios :: out
• ios :: in
• ios :: app
• ios :: binary

The operator that cannot be overloaded is 

• ~
• ::
• ()
• ++

Use of virtual functions implies 

• overloading.
• overriding.
• static binding.
• dynamic binding.

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

• Protected
• Public
• Private
• Friend

What we can’t do on a void pointer?

• pointer arithemetic
• pointer functions
• both of the mentioned
• none of the mentioned

Identify the user-defined types from the following?

• enumeration
• classes
• both a and b
• int

Void pointer can point to which type of objects?

• int
• float
• double
• all of the mentioned

Operator overloading is

• making c++ operator works with objects
• giving new meaning to existing operator
• making new operator
• both a & b

Which of the following statement is correct?

 

• Overloaded functions can have at most one default argument.
• An overloaded function cannot have default argument.
• All arguments of an overloaded function can be default.
• A function if overloaded more than once cannot have default argument.

Which of the following statement is correct?

 

• A reference is stored on heap.
• A reference is stored on stack.
• A reference is stored in a queue.
• A reference is stored in a binary tree.

A pointer to the base class can hold address of 

• only base class object.
• only derived class object.
• base class object as well as derived class object.
• None of the above.

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

• Type safety
• Exception
• Both a & b
• None of the mentioned