VU CS304- Object Oriented Programming Finalterm Solved Objective Papers Spring 2010(Session – 3)

VU CS304- Object Oriented Programming Finalterm Solved Objective Papers Spring 2010(Session – 3)

FINALTERM EXAMINATION
Spring 2010
CS304- Object Oriented Programming (Session – 3) 12
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
13
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();14
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
► datatype15


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
16
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