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National Open University Exam Past Question – CIT 735 MAY/JUNE 2012 EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA CIT 735 Application Software Design and Multimedia

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF SCIENCE AND TECHNOLOGY

MAY/JUNE 2012 EXAMINATION

 

 

CIT 735 Application Software Design and Multimedia

Time Allowed:         3hrs

 

Instruction:   Answer any five (5) questions

 

 

 

1a. State the phases of the multimedia system development life cycle. (10 marks)

1b. What is the vital aspect to be borne in mind at the preliminary needs assessment stage?         (2 marks)

1c. Identify and label the categories of design architecture below:

 

i.

dd3

ii.

dd2

iii.

dd1

 

iv..

dd4

 

marks)

 

 

 

 

2a. Give a brief explanation of the following terms:

:

(2 marks each, Total=8

 

i. Frame )
ii. Animating ) (5 marks each, Total=15)
iii. Rendering )

 

2b. Describe the concept of ‘persistence of vision’                    (5 marks)

 

 

 

 

3a. Draw a block diagram, illustrating the various processes involved in the animation of images.                                                                                                   (18 marks)

 

3b. What is the significance video compression in the context of Application Software

Design and Multimedia?                                                                           (2 marks)

 

4a. Assuming a sample of 440 X 360 resolution has 32 bits per pixel; determine the raw video size of the SCAM video system that transforms at 23 frames/s

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(15 marks)

 

4b. Explain the concept of digitization of video           .                     (5 marks)

 

 

 

 

5a. Identify and describe by means of examples, any two facts to be deduced from the concept of multimedia.                                                                  (10 marks)

 

5b. Give a brief explanation of four (4) essential considerations at the preliminary needs assessment stage.

(8 marks)

 

5c. List any two (2) components of deliverables.                                           (2 marks)

 

 

 

 

6a. Explain the following delivery strategies using well labelled diagrams:

  1. i. Direct changeover                                                    ) 5 marks ii.        Parallel running                                             ) 5 marks

(Total = 10 marks)

 

6b. A basic layout has five (5) main components, list these components.

(5 marks)

6c. State five (5) ways of formatting and delivering messages in multimedia         (5 marks)

 

 

 

 

7a. There are quite a number of standards used in video capturing and display,

list any two (2) of these formats.                                                               (4 marks)

 

7b. Write on five (5) work models in the user-centered design process.      (10 marks)

 

7c. Outline three (3) main hardware requirements for capturing video images (6 marks)

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