CIT721 : INFORMATION SYSTEMS DESIGN AND PROGRAMMING (2014)

NATIONAL OPEN UNIVERSITY OF NIGERIA

14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS

SCHOOL OF SCIENCE AND TECHNOLOGY

MARCH/APRIL 2014 EXAMINATION

COURSE CODE: CIT721

COURSE TITLE: INFORMATION SYSTEMS DESIGN AND PROGRAMMING

TIME ALLOWED: 3HOURS

INSTRUCTION: ATTEMPT ANY FIVE (5) QUESTIONS

QUESTIONS:

1.

a. Briefly explain the 3 levels of organizational information. (9 marks)

b. Define the following terms:

i. Transaction Processing System(1 mark)

ii. Office Automation System (1 mark)

iii. Expert System (1 mark)

c. State 4 primary objectives of structured techniques in information system development (2 marks).

2.

a. Discuss briefly (listing examples where possible) the following database models:

i. Relational (4 marks)

ii. Object-oriented (4 marks)

b.

i. Give 3 examples of questions that should be answered when analyzing a system. (1.5 marks)

ii. Briefly explain the 3 steps of the systems approach to system analysis. (4.5 marks)

3.

a. Briefly discuss the definition and functions of the following roles:

i. Business analyst (4 marks)

ii. Application analyst (3 marks)

iii. Computer scientists (3 marks).

b. In order of execution, list (without explanation) the 8 phases of the SDLC. (4 marks)

4.

a. State 3 reasons for the failure of the monopolist approach to management of SDLC. (3 marks)

b. Explain briefly the laissez-faire approach to management of SDLC stating its potential pitfalls (6 marks)

c. Explain briefly information-center approach to management of SDLC stating reasons for its potential demise in organizations (5 marks)

5.

a. Complete the following table: (8 marks)

StepPeople involvedBrief descriptions
Problem definition
Analysis and design
Testing and debugging
Implementation

b. List and explain 4 benefits of RAD. (6 marks)

6.

a. Briefly explain DSS (3 marks).

b. List 5 benefits of an information system to the organisation. (2.5 marks)

c. Explain briefly the key features of the monopolist approach to management of SDLC (3.5 marks).

d. State any 5 stages of data processing system growth (2.5 marks).

e. Define the term “Risk identification” and state 4 categories of risks to information systems projects. (2.5 marks)

7.

a. Briefly explain what you understand by MIS. (3 marks)

b. State and briefly explain the 5 elements of a usable MIS system. (10 marks)

c. List 2 pieces of information that should be contained in an MIS system user manual. (1 marks)

For the 2015 – till date past questions for this course CLICK HERE

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