W1-2-60-1-6
JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2014/2015
FOURTH YEAR SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY/BACHELOR OF SCIENCE IN MATHEMATICS AND COMPUTER SCIENCE
BBT 2201: MULTIMEDIA SYSTEMS
DATE: DECEMBER 2014 TIME: 2 HOURS
INSTRUCTIONS: ANSWER QUESTION ONE [COMPULSORY] AND ANY OTHER TWO QUESTIONS
QUESTION ONE [30 MARKS]
(a) Define the following terms:
(i) Virtual reality [2 marks]
(ii) Multimedia metaphor [2 marks]
(iii) Bitmaps [2 marks]
(iv) Animation [2 marks]
(v) Pixel [2 marks]
(vi) Dithering [2 marks]
(b) Briefly describe how video is represented [3 marks]
(c) Explain the process of digitization [3 marks]]
(d) State and explain three softwares that can be used in creating and editing fonts in multimedia. [3 marks]
(e) Differentiate between the following
(i) input device and output device [2 marks]
(ii) Multimedia and multimedia work station [2 marks]
(iii) Kinematic and morphing [2 marks]
(f) Explain any three elements of multimedia [3 marks]
QUESTION TWO [20 MARKS]
(a) Describe multimedia system development life cycle [8 marks]
(b) State and explain six guidelines which help when choosing fonts [6 marks]
(c) A bitmap image has resolution 640×480 pixels. Each pixel is 24-bit deep. What is the size of the bitmap in bytes. [6 marks]
QUESTION THREE [20 MARKS]
(a) Explain six applications of multimedia systems [6 marks]
(b) Briefly describe the following terms
(i) Multimedia authoring [2 marks]
(ii) Authoring paradigm [2 marks]
(iii) Multimedia information system [2 marks]
(c) Discuss the four basis sound editing operations that most multimedia procedures need. [8 marks]
QUESTION FOUR [20 MARKS]
(a) Discuss the convergence of multimedia [6 marks]
(b) Explain four hardware devices used in virtue environments clearly explaining their functions [8 marks]
(c) State and explain the distinct modes of color and the reasons why they are different [6 marks]
QUESTION FIVE [20 MARKS]
(a) Using a diagram, explain the relationship between the following
(i) Hypertext system [2 marks]
(ii) Hypermedia system [2 marks]
(iii) Multimedia system [2 marks]
(b) Briefly describe five technical and content considerations in multimedia information systems. [5 marks]
(c) Discuss the power of sound [6 marks]
(d) Discuss the dynamics Hoffman algorithms. [3 marks]
