CS304 Final term Paper 2010 - 2

FINALTERM  EXAMINATION
Spring 2010
CS304- Object Oriented Programming (Session - 3)

Time: 90 min
M a r k s: 58
CS304 Question No: 1        
Which one of the following terms must relate to polymorphism?
       ► Static allocation
       ► Static typing
       ► Dynamic binding
       ► Dynamic allocation
   
CS304 Question No: 2        
 Which of the following causes run time binding?
       ► Declaring object of abstract class
       ► Declaring pointer of abstract class
       ► Declaring overridden methods as non-virtual
       ► None of the given
   
CS304 Question No: 3        
 Which of the following is the best approach if it is required to have more than one functions having exactly same functionality and implemented on different data types?
       ► Templates
       ► Overloading
       ► Data hiding
       ► Encapsulation

CS304 Question No: 4        
 Which of the following is the best approach to implement generic algorithms with minimum number of coding lines?
       ► Templates
       ► Overloading
       ► Overriding
       ► Friend function/class
   
CS304 Question No: 5        
 Like template functions, a class template may not handle all the types successfully.
       ► True
       ► False
   
CS304 Question No: 6        
 A class template may inherit from another class template.
       ► True
       ► False
   
CS304 Question No: 7        
 Assume a class Derv that is privately derived from class Base. An object of class Derv located in main() can access
       ► public members of Derv.
       ► protected members of Derv.
       ► private members of Derv.
       ► protected members of Base.

CS304 Question No: 8        
 A copy constructor is invoked when
       ► a function do not returns by value.
       ► an argument is passed by value.
       ► a function returns by reference.
       ► an argument is passed by reference.
   
CS304 Question No: 9        
 Each try block can have ______ no. of catch blocks.
 
       ► 1
       ► 2
       ► 3
       ► As many as necessary.
 
   
CS304 Question No: 10        
 class DocElement
{
public:
      virtual void Print() { cout <
<
};
class Heading : public DocElement
{
public:
      void Print() { cout <
<
};
class Paragraph : public DocElement
{
public:
      void Print() { cout <
<
};
void main()
{
      DocElement * p = new Paragraph();
 
      p->Print();
}
 
When you run this program, it will print out a single line to the console output.
 
What will be in that line?
 
Select one correct answer from the following list:
 
       ► Generic element
 
       ► Heading element
 
       ► Paragraph element
 
       ► Nothing will be printed.

CS304 Question No: 11        
 Suppose we have two derived classes from a single class, can we write a method with same name in both these derived classes ? Choose the best option.
       ► No
       ► Only if the two classes have the same name
       ► Only if the main program does not declare both kinds
       ► Yes
   
CS304 Question No: 12        
 When a virtual function is called by referencing a specific object by name and using the dot member selection operator (e.g., squareObject.draw()), the reference is resolved at compile time.
 
       ► True                
       ► False
   
CS304 Question No: 13        
 Considering the resolution order in which compiler search for functions in a program; the first priority is given to,
       ► general template
       ► partial specialization
       ► complete specialization
       ► ordinary function
   
CS304 Question No: 14        
 Vectors contain contiguous elements stored as a[an] ___.
 
       ► variable
       ► array
       ► function
       ► datatype
   
CS304 Question No: 15        
 By default the vector data items are initialized to ____
       ► 0
       ► 0.0
       ► 1
       ► null
   
CS304 Question No: 16        
 One purpose of an iterator in the STL is to connect algorithms and containers.
 
       ► True
       ► False
   
CS304 Question No: 17        
 Algorithms can only be implemented using STL containers.
 
       ► True
       ► False
   
CS304 Question No: 18        
 In ________, a base class can be replaced by its derived class,
       ► Sub-typing
       ► Super-typing
       ► Multiple-typing
       ► Restricted-typing
   
CS304 Question No: 19        
 this pointer does not point to current object of any class,
       ► True
       ► False
   
CS304 Question No: 20        
 Which of the following operator(s) take(s) one or no argument if overloaded?
       ► ++
       ► -
       ► +
       ► All of the given
 
CS304 Question No: 21        
 Which of the following operators can not be overloaded?
       ► Scope resolution  operator ( :: )
       ► Insertion operator ( <
<
       ► Extraction operator ( >> )
       ► The relation operator ( > )
   
CS304 Question No: 22        
 The type that is used to declare a reference or pointer is called its ---------
       ► default type
       ► static type
       ► abstract type
       ► reference type
   
CS304 Question No: 23        
 ------------- members are somewhere between public and private members. They are used in inheritance
       ► protected
       ► public
       ► private
       ► global
   
CS304 Question No: 24        
 Which of these are examples of error handling techniques ?
       noitanimreTlamronbA►
       ► Graceful Termination
       ► Return the illegal
       ► all of the given
   
CS304 Question No: 25        
 _______ is a relationship
 
       ► Inheritance
       ► Polymarphism
       ► abstraction
       ► encapsulation
   
CS304 Question No: 26        
 Graphical representation of the classes and objects is called object model it shows -------
 
       ► Class Name only
       ► Class Name and attributes
       ► Relationships of the objects and classes
       ► all of the given
   
CS304 Question No: 27    ( M a r k s: 2 )
 Describe the way to declare a template function as a friend of any class.
 
   
CS304 Question No: 28    ( M a r k s: 2 )
 Give the names of any two types of template.
 
CS304 Question No: 29    ( M a r k s: 2 )
 Explain the statement below,
vector ivec(4, 3);

CS304 Question No: 30    ( M a r k s: 2 )
 Q. Enlist the kinds of association w.r.t Cardinality (3)
CS304 Question No: 31    ( M a r k s: 3 )
 Give three advantages that Iterators provide over Cursors.   
CS304 Question No: 32    ( M a r k s: 3 )
 Give the differences between virtual inheritance and multiple inheritance.   
CS304 Question No: 33    ( M a r k s: 3 )
 If we declare a function as friend of a template class will it be a friend for a particular data type or for all data types of that class.   
CS304 Question No: 34    ( M a r k s: 5 )
 See the 5 code snippets below and tell whether these are correct or incorrect also justify your answers in the table given at the end.
 
Snippet No.1
 
template
class A {
} ;
template
class B : public A
{ … }
 
Snippet No.2
 
template
            class B : public A
            { … }   
 
   
 
Snippet No.3
class B : public A
            { … }   
Snippet No.4
          template
            class B : public A
            { … };
 
Snippet No.5
template
class B : public A
{ … }
 
Table:
 
Snippet No.
Is it correct or not (Correct/ Incorrect)
Justification of your answer
1
 
 
2
 
 
3
 
 
4
 
 
5
 
 

CS304 Question No: 35    ( M a r k s: 5 )
 What is the output produced by the following program?
 
#include
 
void sample_function(double test) throw (int);
 
int main()
{
            try
            {
                        cout <<”trying.\n”;
<<”trying.\n”;
                        sample_function(98.6);
                        cout <
<
            }
            catch(int)
            {
                        cout <
<
            }
           
            cout <
<
            return 0;
}
void sample_function(double test) throw (int)
{
            cout <
<
            if(test < 100)
               throw 42;
}

   
CS304 Question No: 36    ( M a r k s: 5 )
 Suppose the base class and the derived class each have a member function with the same signature. When you have a pointer to a base class object and call a function member through the pointer, discuss what determines which function is actually called, the base class member function or the derived-class function.

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