NATIONAL OPEN UNIVERSITY OF NIGERIA

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

COURSE CODE: CIT735
COURSE CREDIT: 3
COURSE TITLE: ADVANCED SYSTEMS ANALYSIS AND DESIGN
TIME ALLOWED: 21/2 HOURS
INSTRUCTION: ANSWER QUESTION ONE (1) AND ANY OTHER FOUR (4) QUESTIONS

1a. (i) Discuss the phases in the Analysis and Design Phase of software development life cycle for multimedia application (7marks)
(ii) Briefly explain what a Flash is in multimedia presentations (2marks)
1b (i) Highlight and briefly analyse any five (5) application areas of the multimedia. (10 marks)
(ii) Text can be created and presented in most appealing ways using combinations of attributes.
List 3 of these attributes (3marks)
[22 marks]

2 a(i) Identify the essential features of the MPC within the context of multimedia technologies (2mks)
(ii) Highlight and briefly explain the components of interactive multimedia. (6 marks)
2, Outline the 4 basic characteristics of a multimedia system(4 marks)
[12 marks]

3. Given that designing multimedia systems do have challenges. Highlight and discuss the desirable features of a multimedia systems . [12 marks]

4. a(i) A user that intends to develop multimedia applications needs additional editing software to create and edit images, audio files and sound files. List a selection of packages for creating and editing images, sound and video.(3marks)
(ii)When using these packages in (i), it is important to be aware of the different formats in which images can be stored on a computer. Describe the most common formats (5marks)
(b) Describe the different formats in which sound can be stored on a computer when using sound editing packages (4marks)
[12 marks]

5 a Highlight and discuss any 5 desirable properties worth considering when choosing colour for texts and background .(10 marks)
5 b. Outline the ASCII character set used in coding plain text in binary forms .(2marks)
[12 marks]

6.a(i) Images stored and processed by computers, displayed on computer screens, are called digital images. Name and briefly describe the notable sources from which digital images may
be acquired or created (8 marks)
6 (b) Sound waves are forms that sound takes as it travels across medium and it comprised of many different frequencies and shapes . Discuss any two (2) of the parameters that can be used to describe sound waves (4 marks)
[12 marks]