NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CIT 432
COURSE TITLE: SOFTWARE ENGINEERING 2
TIME ALLOWED: 2 ½ HOURS
INSTRUCTION: ANSWER ANY FOUR QUESTIONS. EACH QUESTION CARRIES 17.5 MARKS.
- (a.) List and explain the five (5) generations of computer software (10 Marks)
(b.) Explain the followingsoftware life-cycle models (5 Marks)
- Build-and-Fix model
- Incremental model
(c.) Define software maintenance (2.5 Marks)
- (a.) List and explain the two types of low level languages (7 Marks)
(b.) List the four reasons for articulating software life-cycle model (8 Marks)
(c.) Define Utility software (2.5 Marks)
- (a.) Explain the following software life cycle models (10.5 Marks)
- Clean Room
- Extreme Programming
- Object-Oriented Model
(b.) List four (4) advantages of questionnaire (4 Marks)
(c.) Define integration testing with an example (3 Marks)
- (a.) List and explain with the aid of a diagram the first seven (7) phase/stage of waterfall model (17.5 Marks)
- (a.) Define feasibility study (3.5 Marks)
(b.) List and explain four (4) types of software conversion (8 Marks)
(c.) List two (2) advantages and disadvantages of a Build-and-Fix model (6 Marks)
- (a.) List and explain two (2) purposes of software testing (5 Marks)
(b.) Define software conversion (3.5 Marks)
(c ) List three (3) advantages and disadvantages of rapid prototyping model (9 Marks)
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