FINAL TERM EXAMINATION
Fall 2009
CS304- Object
Oriented Programming (Session - 4)
Question No: 1 ( Marks: 1 ) - Please choose one
A
template provides a convenient way to make a family of
► variables and data members
► functions and classes (Object-Oriented Programming in C++)
► classes and exceptions
► programs and algorithms
Question No: 2 ( Marks: 1 ) - Please choose one
Which
one of the following terms must relate to polymorphism?
► Static allocation
► Static typing
► Dynamic binding (Page 239)
rep
► Dynamic allocation
Question No: 3 ( Marks: 1 ) - Please choose one
What is
true about function templates?
► The compiler generates only one copy
of the function template
► The compiler generates a copy of function respective to each type of
data (Page 256)
► The compiler can only generate copy
for the int type data
► None of the given.
Question No: 4 ( 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: 5 ( Marks: 1 ) - Please choose one
template
<>
class
Vector<char*> { }
This is
an example of partial specialization.
► True (Page 287)
►
False
Question No: 6 ( Marks: 1 ) - Please choose one
Classes
like TwoDimensionalShape and ThreeDimensionalShape would normally be concrete,
while
classes
like Sphere and Cube would normally be abstract.
► True Click here for
detail rep
► False
Question No: 7 ( Marks: 1 ) - Please choose one
A non-virtual member function is defined in
a base class and overridden in a derived class; if that function is called
through a base-class pointer to a derived class object, the derived-class
version is used.
► True
► False
Question No: 8 ( 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: 9 ( Marks: 1 ) - Please choose one
In order
to define a class template, the first line of definition must be:
► template <typename T>
(Page 257) rep
► typename <template T>
► Template Class <ClassName>
► Class <Template T>
Question No: 10 ( Marks: 1 ) - Please choose one
If there
is a pointer p to objects of a base class, and it contains the address of an
object of a derived
class,
and both classes contain a nonvirtual member function, ding(), then the
statement p->ding(); will
cause
the version of ding() in the _____ class to be executed.
► Base (Object-Oriented
Programming in C++)
► Derived
► Abstract
► virtual
Question No: 11 ( Marks: 1 ) - Please choose one
When the
base class and the derived class have a member function with the same name, you
must
be more
specific which function you want to call (using ___________).
► scope resolution operator
► dot operator
► null operator
► Operator overloading Click here for detail
Question No: 12 ( Marks: 1 ) - Please choose one
Non
Template Friend functions of a class are friends of ________instance/s of that
class.
► All Click here for
detail
► One specific
► All instances of one date type
►
None of the given options
Question No: 13 ( Marks: 1 ) - Please choose one
The
find() algorithm
► finds matching sequences of elements
in two containers.
► finds a container that matches a
specified container.
► takes iterators as its first two arguments. (Object-Oriented Programming in C++) rep
► takes container elements as its first
two arguments.
Question
No: 14 ( Marks: 1 ) - Please choose one
If you
define a vector v with the default constructor, and define another vector w
with a one-argument
constructor
to a size of 11, and insert 3 elements into each of these vectors with
push_back(), then
the
size() member function will return ______ for v and _____ for w.
►
11 for v and 3 for w.
► 0 for v and 0 for w.
► 0 for v and 3 for w.
► 3 for v and 11 for w. (Object-Oriented Programming in C++) rep
Question No: 15 ( Marks: 1 ) - Please choose one
Which of
the following may not be an integral part of an object?
► State
► Behavior
► Protected data members
(Page 12)
► All of given
Question No: 16 ( Marks: 1 ) - Please choose one
Which is
not the Advantage of inheritance?
► providing class growth through natural
selection. (Object-Oriented Programming
► facilitating class libraries.
► avoiding the rewriting of code.
► providing a useful conceptual
framework.
Question No: 17 ( Marks: 1 ) - Please choose one
1class
DocElement
{
public:
virtual void Print() { cout <<
"Generic element"; }
};
2class
Heading : public DocElement
{
public:
void Print() { cout <<
"Heading element"; }
};
3class
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: 18 ( 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: 19 ( Marks: 1 ) - Please choose one
In case
of multiple inheritance a derived class inherits,
► Only the public member functions of
its base classes
► Only the public data members of its
base classes
► Both public data members and member functions of all its base classes
Click here for detail
► Data members and member functions of
any two base classes
Question No: 20 ( Marks: 1 ) - Please choose one
When we
write a class template the first line must be:
► template < class class_name>
► template < class data_type>
► template < class T >
(Page 257) rep
Here T
can be replaced with any name but it is preferable.
► class class-name()
class
template<class_name>
Question No: 21 ( Marks: 1 ) - Please choose one
Which of
the following is incorrect line regarding function template?
► template<class T>
► template <typename U>
► Class<template T>
(Page 257)
► template < class T, class U>
Question No: 22 ( Marks: 1 ) - Please choose one
An STL container
can not be used to,
► hold objects of class employee.
► store elements in a way that makes
them quickly accessible.
► compile c++ programs.
(Object-Oriented Programming in C++) rep
► organize the way objects are stored in
memory
Question No: 23 (
Marks: 1 ) - Please choose one
Algorithms
can only be implemented using STL containers.
► True
► False (Object-Oriented
Programming in C++) rep
Question No: 24 ( Marks: 1 ) - Please choose one
Consider
a class named Vehicle, which of the following can be the instance of class
Vehicle?
1. Car
2. Computer
3. Desk
4. Ahmed
5. Bicycle
6. Truck
► 1, 4, 5
► 2, 5, 6
► 1, 2, 3, 6
► 1, 5, 6 (correct)
Question
No: 25 ( Marks: 1 ) - Please choose one
Consider
the code below,
class
Fred {
public:
Fred();
...
};
int
main()
{
Fred
a[10];
Fred* p
= new Fred[10];
...
}
Select
the best option,
► Fred a[10]; calls the default
constructor 09 times
Fred* p
= new Fred[10]; calls the default
constructor 10 times
► Produce an error
► Fred a[10]; calls the default
constructor 11 times
Fred* p
= new Fred[10]; calls the default
constructor 11 times
► Fred a[10]; calls the default
constructor 10 times
Fred* p = new Fred[10]; calls the default constructor 10 times Click here for detail
Question No: 26 ( Marks: 1 ) - Please choose one
When a
variable is define as static in a class then all object of this class,
► Have different copies of this variable
► Have same copy of this variable
(Page 110)
► Can not access this variable
► None of given
Question No: 27 ( Marks: 1 ) - Please choose one
The life
of sub object is dependant on the life of master class in _____________.
► Separation
► Composition (Page 53)
► Aggregation
► None of the given
Question No: 28 ( Marks: 1 ) - Please choose one
___________,
which means if A declares B as its friend it does NOT mean that A can access
private
data of
B. It only means that B can access all data of A.
► Friendship is one way only
Click here for detail
► Friendship is two way only
► NO Friendship between classes
► Any kind of friendship
Question No: 29 ( Marks: 1 ) - Please choose one
Which of
the following operators always takes no argument if overloaded?
► /
► -
► +
► ++ (Page 162)
Question
No: 30 ( Marks: 1 ) - Please choose one
In
Private -------------- only member
functions and friend classes or functions of a derived class can convert
pointer
or reference of derived object to that of parent object
► specialization
► inheritance (Page
216) rep
► abstraction
► composition
