NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JUNE/JULY 2013 EXAMINATION

COURSE CODE:                                                                              CIT 333                                                                               

COURSE TITLE:                                                                             Software Engineering I

DURATION:                                                                                     2 Hours

INSTRUCTIONS:                                                                            Answer any Four Questions.

Q1.a     What is programming software? Give three examples.                                                          6 marks

      b.   Differentiate between hardware and software                                                                 5½ marks

      c.    What are the two major categories of software?                                                                  6 marks

Q2.a     Explain what is meant by software engineering.                                                                 3½ marks

      b.   List four goals of software                                                                                                       8 marks

      c.    State three principles of software engineering.                                                                    6 marks

Q3.a     List five fundamental design concepts.                                                                                   5 marks

       b. What are software life cycle models?                                                                                     5 marks

       c.   Explain what is meant by modularity.                                                                                7½ marks

Q4.a     State five steps to creating effective modules.                                                                       5 marks

      b.   List five benefits of modular design.                                                                                       5 marks

      c.    List three basic approaches used for designing modular programs.                               7½ marks

Q5a.     Explain what is meant by Programming Environment.                                                        5 marks

     b.    What are Case Tools? Enumerate three different categories of case tools                       6 marks

     c.     What is HIPO technique?                                                                                                      6½ marks

Q6a.     What is software Implementation?                                                                                                     6 marks

      b.   Differentiate between critical and non-critical errors.                                                     5½ marks

      c.    List three major tasks in Implementation.                                                                                         6 marks