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 703
COURSE TITLE: INFORMATION TECHNOLOGY AND SOFTWARE DEVELOPMENT
TIME ALLOWED: 3 HOURS
INSTRUCTION: ANSWER ANY FIVE QUESTIONS
1. Briefly explain the following models:
i) SoftwareProcess Model.
(Ii) Workflow Model
(iii) Data Model
(iv) Role Model 14 marks
2a. Explain what is meant by mapping cardinality. 4 marks
b. For binary relationship sets between entity sets A and B, outline fourpossible mapping cardinalities. 10 marks
3a. Explain the UML concept.. 4 marks
b. List the parts of the UML 2.x specification. 4 marks
c. Outline how UML diagrams represent two different views of a system model. 6 marks
4. Outline seven activities involved in the initiation stage of the acquisition of software. 14 marks
5a. Describe the following concepts in software project planning
(i). Work breakdown (ii) Task allocation (iii) Guesstimation 6 marks
b. List and explain two problems encountered in guesstimation 4 marks
c. Describe the two key control elements in software project planning 4 marks
6. Outline five components of DBMS. 14 marks
7a. Explain the following terms:
i. Transition network
ii. State
iii. Transition 6 marks
b. Describe the following: Conditions, Actions and Events 6 marks
c. What is a state transition diagram? 2 marks
For the 2015 – till date past questions for this course CLICK HERE
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