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: CIT742
COURSE TITLE: MULTIMEDIA TECHNOLOGY
CREDIT: 3 UNITS
TIME ALLOWED: 2½ HOURS
INSTRUCTION: ANSWER QUESTION 1 AND ANY OTHER FOUR (4) QUESTIONS

1a) What do you understand by chromatics? (3 marks)
b) It is said that, every system that uses multiple components to communicate ideas must adhere to certain features. Enumerate these features (4 marks)
c) Identify the issues that need to be addressed in a multimedia system component integration. (2 marks)
d) What are the advantages of lossy compression algorithms? (3 marks)
e) Outline three possible sources of sound (3 marks)
f) A standard multimedia system is expected to possess certain features, itemize any six of them.(3 marks)
g) What is a Pixel? (4 marks)

2a) Distinguish between hypertext and hypermedia within the multimedia context (4 marks)
b) Specify any four of the methodologies that need to be taken into consideration when developing interactive multimedia software titles. (2 marks)
c) In the context of image processing in multimedia systems, describe noise? Name standard noise form. (3 marks)
d) Explain lossless compression (3 marks)

3a) What does the suffix “system” in Multimedia system imply? (2 marks)
b) Identify any four (4) components that make multimedia system important in today’s information system building. (2 marks)
c) Briefly explain the two histogram operators used for enhancement. On what assumption are they based? (5 marks)
d) Identify three benefits of using colour in multimedia technology. (3 marks)

4a) With appropriate examples, briefly discuss two reasons for compression of video and audio (5 marks)
b) Briefly discuss the following standard system independent format
i) GIF (4 marks)
ii) JPEG (3 marks)

5a) Briefly discuss three (3) main guidelines for colour in the context of multimedia technology.(5 marks)
b) Give an analysis of the operation of the human eye and the camera (5 marks)
c) List four elements of multimedia (2 marks)

6a) Describe the mathematical and wavelet transformation? (3 marks)
b) What is image restoration? (3 marks)
c) Discuss the basic concept of authoring system in the context of multimedia (6 marks)