NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
MARCH/APRIL 2015 EXAMINATION

COURSE CODE:                                                                              CIT 351                                                                               

COURSE TITLE:                                                                             C# Programming

DURATION:                                                                                     2½ Hours

INSTRUCTIONS:                                                                            Answer any Four (4) Questions

1a.       Outline the sailents steps involved in compiling a file named Program.cs by

means of a command line compiler                                                                                                 7 ½ marks

1b.       Give a brief description of the following terms within the context of C# programming:

1. Boxing                                                                                                                                        5 marks
2. Unboxing                                                                                                                        5 marks

      [17½ marks]

2a.       Name the major categories of static property used in C# Programming                                       9 marks

2b.       Outline the key steps involved in building a code library in C# programming               8 ½ marks

     [17 ½ marks]

3a.       Name any 2 regular C# primitive types and their corresponding aliases                          8 marks

3b.       What is the relationship between C# and the .NET Framework?                                                3 ½ marks

3c        How are memory address pointers used in C#?                                                                   6 marks

     [17 ½ marks]

4.         Study the figure below and answer the questions that follow:

4a.       Name and give a concise description of what this figure depicts.                                                   8 marks

4b.       How are statements grouped in C# Programming?                                                           5 ½ marks

4c.       Write down two vital programming tasks accomplished in Visual Studio.NET                 4 marks

      [17½ marks]

5a.       State any three (3) rules that apply to C# code syntax.                                                       9 marks

5b.       Write down the corresponding class of operator for the following operators:

1. ±                                                                                                                                      2 marks
2. %                                                                                                                                     2 marks
3. &                                                                                                                                     2 marks
4. *                                                                                                                                      2 marks
5. ≤                                                                                                                                      2 marks
6. +                                                                                                                                       ½ mark

      [17½ marks]