NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JULY 2017 EXAMINATION

Course Code: CIT 831

Course Unit: 3

Course Title: Software Engineering Methodologies

Instruction: Answer Question One and Any Four Other Questions

Time allowed:  2 1/2

1a.          Enumerate threeattributes of a goodsoftware  6 marks

b.            What are CASE Tools?     4 marks

c.             Distinguish between testing and debugging.   6 marks

d.            Write a short note on Software Requirements Engineering    6 marks

2a.          What are the requirements for an engineering process?   4½ marks

b.            List and explain three types of requirements  6 marks

c.             Explain how viewpoints are identified?  1½ marks

3a.          List and explain the different types of interview   3 marks

b.            List the guidelines for writing requirements  4½ marks

c.             With the aid of a well labeled diagram describe the waterfall life cycle paradigm     4½ marks

4a.          What do you understand by requirements management?  3 marks

b.            Describe any three architectural models.   3 marks

c.             discuss two problems with the prototyping 6 marks

5a.          State threedisadvantages of repository models   3 marks

b.            Write a short note on the relevance of system modelling  5 marks

c.             List the modular decomposition models.     4 marks

6a.          What is the principal benefit of formal methods? 2 marks

b.            Enumerate and explain the specification operations.    4 marks

c.             Write a short note on the following

i.              Sub-System

ii.             Module

iii.            Modular Decomposition 6 marks