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Internet And Multimedia Technology-Bmit 426 Question Paper

Internet And Multimedia Technology-Bmit 426

Course:Bmit

Institution: Kabarak University question papers

Exam Year:2009

COURSE CODE: BMIT 426
COURSE TITLE: INTERNET AND MULTIMEDIA
TECHNOLOGY

STREAM: Y4S2

INSTRUCTIONS:
Attempt questions one and any other three questions

QUESTION ONE
(a) Using examples, differentiate between the following terms:
(i) Multimedia Systems and Multimedia Applications
(ii) Hypertext and Hyperlink (3 marks)
(b) Describe five applications of multimedia systems. (5 marks)
(c) Briefly describe the dynamic Huffman Algorithms. Show how it would compress
the string “This is simple”. (8 marks)
(d) Describe six challenges of multimedia systems and how developments in information
and communications technology addresses the challenges. (9 marks)
(e) Briefly describe how the following multimedia elements are represented in computers.
(i) Text
(ii) Images and graphics (4 marks)
(f) Briefly describe the term “Virtual Reality”. (1 mark)
(g) Discuss any five security issues while using the web. (5 marks)
(h) What are the countermeasures to the web security issues raised in (i) above
(5 marks)
QUESTION TWO
(a) Using examples describe the following terms:
(i) Sampling
(ii) Quantization
(iii) Frequency
(iv) Period (4 marks)
(b) Below is a multimedia data compression algorithms:
BEGIN
S= next input character;
While not EOF
{
C =next input character;
If s +c exists in the dictionary
S= s+c;
Output the code for s;
Add string s + c to the dictionary with a new code;
S = c
}
} Out put the code for s:
(i) Identify the algorithm (2 marks)
(ii) Show how it would compress the string “ABABBABCABABBA (14 marks)

Page 3 of 3

QUESTION THREE
(a) Briefly describe the following terms:
(i) Multimedia Authoring
(ii) Authoring Paradigm
(iii) Multimedia Information System (3 marks)
(b) Briefly describe three multimedia authoring metaphors. (6 marks)
(c) Discuss four functions of multimedia authoring tools. (6 marks)
(d) Briefly describe 5 technical and content design considerations in multimedia
information systems. (5 marks)

QUESTION FOUR
(a) Discuss why text compression algorithms have to be lossless (4 marks)
(b) Briefly describe the following terms:
(i) Persistence vision
(ii) Phi (2 marks)
(c) Describe the multimedia systems development lifecycle (10 marks)
(d) Briefly describe video representation. (4 marks)

QUESTION FIVE
(a) Briefly describe the following terms
(i) Virtual Environment
(ii) VRML (4 marks)
(b) Describe 3 hardware devices used in virtual environments, clearly explaining the
function of each. (12 marks)
(c) Using examples, describe 2 types of virtual environments. (4 marks)

QUESTION SIX
(a) Discuss the minimum requirements for internet connectively to be achieved
(10 marks)
(b) Explain any five browser enhancements (10marks)

Internet And Multimedia Technology-Bmit 426 Question Paper

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