UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR THE DEGREES OF BACHELOR OF SCIENCE IN
APPLIED COMPUTING/ BACHELOR OF BUSINESS INFORMATION
TECHNOLOGY
BIT 3204/ BBIT 302: DISTRIBUTED MULTIMEDIA SYSTEM
FULL TIME/ PART TIME/DISTANCE LEARNING
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: QUESTION ONE IS COMPULSORY, CHOOSE TWO OTHER
QUESTIONS
QUESTION ONE (20 Marks) Compulsory
(a) What is meant by the terms Multimedia and Hypermedia? Distinguish between these two
concepts. (2 Marks)
(b) What is meant by the terms static media and dynamic media? Give two examples of each
type of media. (2 Marks)
(c) Different types of media will require different types of supporting operations to provide
adequate levels of functionality. For the examples of static and dynamic media given in your
answer to part 1(b) briefly discuss what operations are needed to support a wide range of
multimedia applications. (12 Marks)
(d) Differentiate lossless and lossy compression (2 Marks)
(e) Why is file or data compression necessary for Multimedia activities? (2 Marks)
QUESTION TWO (15 Marks)
(a) Show how you would use Huffman coding to encode the following set of tokens:
BABACACADADABBCBABEBEDDABEEEBB
How is this message transmitted when encoded
(10 Marks)
(b) List 5 examples on multimedia data. (5 Marks)
QUESTION THREE (15 Marks)
a) What key issues or problems does a multimedia system have to deal with when handling
multimedia data? (8 Marks)
b) List the four basic characteristics of multimedia systems (4 Marks)
c) List the components of a multimedia system (3 Marks)
QUESTION FOUR (15 Marks)
a) What is multimedia data streaming? (2 Marks)
b) Elaborate the characteristics of data streams (10 Marks)
c) Distinguish analog from digital signals (3 Marks)