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NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
APRIL 2019 EXAMINATION

COURSE CODE: CIT333

COURSE CREDIT: 2

COURSE TITLE: SOFTWARE ENGINEERING I

TIME ALLOWED: 2 HOURS

INSTRUCTIONS: ANSWER QUESTION ONE (1) AND ANY OTHER THREE (3)  QUESTIONS

             

QUESTIONS

1a. There is a tendency that ‘software crisis’ can occur in software engineering. Describe this phenomenon, highlighting the sources of this sort of crisis.   (4 marks)

1c. Enumerate the four (4) levels of testing in software engineering.  (4 marks)

1c. Give a concise description of three (3) common standards’ in Software Engineering  (6 marks)

1d. Briefly explain the following software engineering terms:                                               

 i. Alpha testing      (2 marks)

 ii. Acceptance testing   (2 marks)

iii. Symbolic debugging tool    (2 marks)

 iv. Profiling tool  (2 marks)

1e. Outline any six (6) major tasks that are required for the implementation of a system.  (3 marks)

    [Total = 25 marks]

 

2a. Draw a well-labelled diagram of the Incremental Life Cycle Model.  (7 marks)

2a. State the eight (8) common stages of software development commonly adopted in software engineering.   (8 marks)

[Total = 15 marks]

 

3a. List any two (2) merits of the top-down programming concept.             (2 marks)

3b. Write a pseudo code to find the average of numbers between 1 and 10, with 10 inclusive.       (8 marks)

 

3c. Outline any five (5) guidelines for writing pseudo-codes.    (5 marks)

    [Total = 15 marks]

4a. Describe the three (3) major approaches of writing Modular programs.  (9 marks)

4b. Explain the concept of ‘Modularity’ within the context of software engineering.   (3 marks)

4c. List any three (3) benefits of the modular design.                                   (3 marks)

    [Total = 15 marks]

 

5a. Briefly describe the concept of a ‘Requirement’, in system engineering.  (2 marks)

5b. Discuss the two (2) forms of Requirements in software engineering.         (6 marks)

5c. Enumerate seven (7) common software design concepts.                         (7 marks)

    [Total = 15 marks]


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