NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CIT 742
COURSE TITLE: MULTIMEDIA TECHNOLOGY
TIME ALLOWED: 3HOURS
INSTRUCTION:ANSWER ANY FIVE (5) QUESTIONS. EACH QUESTION CARRIES 14 MARKS
1a. Using examples explain the term multimedia applications (5 Marks)
1b. Using examples describe five (5) components of a multimedia system (5 Marks)
1c. State four (4) challenges of a multimedia system (4 Marks)
2a. Briefly describe colour (4 Marks)
2b. How does the human eye sense colour? What characteristics of the human visual system can be exploited for the compression of colour images and video? (10 Marks)
3a.What is multimedia compression? (5 Marks)
3b. List five (5) key issues that affect storage media (5 Marks)
3c. List four factors that influence I/O performance (4 Marks)
4a. Define Pixel (5 Marks)
4b. Define multimedia compression (5 Marks)
4c. What factors determine the resolution of a monitor? (2 Marks)
4d. What does GIF stand for? (2 Marks)
5a. Define Noise (5 Marks)
5b. Define the following terms
· Hypertext
· Hypermedia
5c. Define Authoring System
6a. State and explain the theory of Digitization (5 Marks)
6b. Explain lossless Compression (5 Marks)
6c. List Four (4) typical lossless compression file format (4 Marks)
7. Explain and describe using mathematical expressions discrete cosine transform (14 Marks)
For the 2015 – till date past questions for this course CLICK HERE
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