CS304 Final Term Past Solved Paper (3)

FINAL TERM EXAMINATION

Spring 2010

CS304- Object Oriented Programming (Session - 3)

Question No: 1    ( Marks: 1 )    - Please choose one

Which one of the following terms must relate to polymorphism?

       ► Static allocation

       ► Static typing

       ► Dynamic binding         (Page 239)

       ► Dynamic allocation

Question No: 2    ( Marks: 1 )    - Please choose one

Which of the following causes run time binding?

       ► Declaring object of abstract class

       ► Declaring pointer of abstract class

       ► Declaring overridden methods as non-virtual       (Page 226)

       ► None of the given       

     Question No: 3    ( Marks: 1 )    - Please choose one

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      (Page 256)  rep

       ► Overloading

       ► Data hiding

       ► Encapsulation

Question No: 4    ( Marks: 1 )    - Please choose one

Which of the following is the best approach to implement generic algorithms with minimum number of coding lines?

       ► Templates        (Page 256)

       ► Overloading

       ► Overriding

       ► Friend function/class

Question No: 5    ( Marks: 1 )    - Please choose one

Like template functions, a class template may not handle all the types successfully.

       ► True      (Page 258)     rep

       ► False

Question No: 6    ( Marks: 1 )    - Please choose one

A class template may inherit from another class template.

       ► True      (Page 288)    rep

       ► False

 Question No: 7    ( Marks: 1 )    - Please choose one

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.    (Object-Oriented Programming in C++)  rep

       ► protected members of Derv. 

       ► private members of Derv. 

       ► protected members of Base. 

Question No: 8    ( Marks: 1 )    - Please choose one

A copy constructor is invoked when

       ► a function do not returns by value. 

       ► an argument is passed by value.   (Page 78)  rep

       ► a function returns by reference. 

       ► an argument is passed by reference. 

Question No: 9    ( Marks: 1 )    - Please choose one

Each try block can have ______ no. of catch blocks.

       ► 1

       ► 2

       ► 3

       ► As many as necessary.            Click here for detail

A single try block can have multiple catch blocks but only one finally block. 

Question No: 10    ( Marks: 1 )    - Please choose one

class DocElement

{

public:

      virtual void Print() { cout << "Generic element"; }

};

class Heading : public DocElement

{

public:

      void Print() { cout << "Heading element"; }

};

class Paragraph : public DocElement

{

public:

      void Print() { cout << "Paragraph element"; }

};

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.

Question No: 11    ( Marks: 1 )    - Please choose one

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      (Page 204)

       ► Only if the main program does not declare both kinds

       ► Yes        

Question No: 12    ( Marks: 1 )    - Please choose one

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        (Object-Oriented Programming in C++)

   (the function invocation is resolved at compile time)

Question No: 13    ( Marks: 1 )    - Please choose one

Considering the resolution order in which Considering the resolution order in which compiler search

for functions in a program; the first priority is given to; the first priority is given to,

       ► general template

       ► partial specialization

       ► complete specialization

       ► ordinary function         (Page 287)

Question No: 14    ( Marks: 1 )    - Please choose one

Vectors contain contiguous elements stored as a[an] ___.

       ► variable

       ► array      (Page 306)  rep

       ► function

       ► datatype 

Question No: 15    ( Marks: 1 )    - Please choose one

By default the vector data items are initialized to ____

       ► 0            Click here for detail       rep

       ► 0.0

       ► 1

       ► null

Question No: 16    ( Marks: 1 )    - Please choose one

One purpose of an iterator in the STL is to connect algorithms and containers. 

       ► True       (Object-Oriented Programming in C++)

       ► False

Question No: 17    ( Marks: 1 )    - Please choose one

Algorithms can only be implemented using STL containers. 

       ► True

       ► False     (Object-Oriented Programming in C++)  rep

Question No: 18    ( Marks: 1 )    - Please choose one

In ________, a base class can be replaced by its derived class,

       ► Sub-typing     (Page 31)

       ► Super-typing

       ► Multiple-typing

       ► Restricted-typing

Question No: 19    ( Marks: 1 )    - Please choose one

this pointer does not point to current object of any class,

       ► True

       ► False         Click here for detail

    The this pointer is a hidden pointer inside every class member function that points to the class object

the member function is working with.

 Question No: 20    ( Marks: 1 )    - Please choose one

Which of the following operator(s) take(s) one or no argument if overloaded?

       ► ++      (Page 162)

       ► -

       ► +

       ► All of the given

Question No: 21    ( Marks: 1 )    - Please choose one

Which of the following operators can not be overloaded?

       ► Scope resolution  operator ( :: )       (Page 141)

       ► Insertion operator ( << )

       ► Extraction operator ( >> )

       ► The relation operator ( > )

Question No: 22    ( Marks: 1 )    - Please choose one

The type that is used to declare a reference or pointer is called its ---------

       

       ► default type

       ► static type      (Page 185)  rep

       ► abstract type

       ► reference type

Question No: 23    ( Marks: 1 )    - Please choose one

------------- members are somewhere between public and private members. They are used in inheritance

       ► protected     (Page 187)  rep

       ► public

       ► private

       ► global

Question No: 24    ( Marks: 1 )    - Please choose one

Which of these are examples of error handling techniques ?

       ► Abnormal Termination

       ► Graceful Termination

       ► Return the illegal 

       ► all of the given        (Page 329)

Question No: 25    ( Marks: 1 )    - Please choose one

_______ “is a” relationship

       ► Inheritance     (Page 25)

       ► Polymarphism

       ► abstraction

       ► encapsulation

Question No: 26    ( Marks: 1 )    - Please choose one

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         Click here for detail     rep