NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER 2012 EXAMINATION

Q1.a     Name any 2 regular C# primitive types and their corresponding aliases.                      (8 marks)

      b.   What is the relationship between C# and the .NET Framework.                                              (3½ marks)

      c.    How are memory address pointers used in C#?                                                               (6 marks)     

Q2.       Take a close look at the figure below and answer the questions that follow:

a.     Name and give a concise description of what this figure depicts.                                   (8 marks)

     b.    How are statements grouped in C# Programming?                                                       (5½ marks)

     c.     Write down two vital programming tasks accomplished in Visual Studio.Net.              (4 marks)

Q3a.     State any two (3) rules that apply to C# code syntax.                                                      (9 marks)

     b.    Write down the corresponding class of operator for the following operators:

(i)        +                                                                                                                      (2 marks)

(ii)       %                                                                                                                     (2 marks)

(iii)      &                                                                                                                     (2 marks)

(iv)      *                                                                                                                      (2 marks)

(v)       <                                                                                                                    (1½ marks)

(vi)      v +                                                                                                                   (2 marks)

Q4a.     Outline the procedure required to compile a file named Maple.cs by means of a command line compiler             (7½ marks)

     b.    Give a brief description of the following:

(i) Boxing                                                                                                                   (5 marks)

(ii) Unboxing                                                                                                              (5 marks)

Q5.a     Name the major categories of static property used in C# Programming                       (9 marks)

b.   In the event that you are asked to create a new project in VS.Net explain briefly how you will achieve this task.       (8½ marks)