July, 2011
M4.1-R4: APPLICATION OF .NET TECHNOLOGY
NOTE:
1. There are TWO PARTS in this Module/Paper. PART ONE contains FOUR questions and
PART TWO contains FIVE questions.
2. PART ONE is to be answered in the TEAR-OFF ANSWER SHEET only, attached to the
question paper, as per the instructions contained therein. PART ONE is NOT to be answered in
the answer book.
3. Maximum time allotted for PART ONE is ONE HOUR. Answer book for PART TWO will be
supplied at the table when the answer sheet for PART ONE is returned. However, candidates,
who complete PART ONE earlier than one hour, can collect the answer book for PART TWO
immediately after handing over the answer sheet for PART ONE.
TOTAL TIME: 3 HOURS TOTAL MARKS: 100
(PART ONE – 40; PART TWO – 60)
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)
1.1. What are the 4 pillars of any object oriented programming language?
A) Abstraction, Inheritance, Encapsulation, Constructor
B) Abstraction, Inheritance, Encapsulation, Polymorphism
C) Abstraction, Object of a class, Inheritance, Polymorphism
D) Abstraction, Constructor, Encapsulation, Polymorphism
1.2. Is the following code legal?
class ChildClass : ParentClassA, ParentClassB
{
}
A) Yes, a child class can have 2 base classes at the same time and it does also allow multiple
interface inheritance.
B) No, you cannot specify 2 base classes at the same time. You can specify only one base class to
inherit from. However, it does allow multiple interface inheritance.
C) Yes, C# supports multiple class inheritance and it does not allow multiple interface inheritance.
D) No, you can specify only one base class at the same time to inherit from. However, it does not
allow multiple interface inheritance.