QUESTION 1
(a) The term multimedia describes a number of diverse technologies that allow visual media to be taken and combine in new ways for the purpose of communicating. Applications is based solely on education and advertising. Multimedia often refers to computer technologies; nearly every PC built today is capable of multimedia because they include a CD-ROM drive, and a good sound and video card
How far do you agree with the above statement?
(b) In a traditional structured software engineering approach there is a system life cycle comprising a number of phases or steps within the development process. List any five phases of this system life cycle?
(c) Differentiate the role between a Project Manager and a Project Designer
(d) What is the distinction between lossless and lossy compression? What broad types of multimedia data are each most suited to?
(e) What is RAID technology? List three advantages that RAID offers as a medium for the storage and delivery of large data?
(f) Define the following terms Linear Multimedia and Non-Linear Multimedia
QUESTION 2
(a) Image compression techniques can be used to dramatically reduce the size of a file, which can be useful for speeding transmission for networked applications. Write short notes on the following file formats
(i) GIF
(ii) TIFF
(iii) JPEG
(b)
(i) State the equation to calculate the size of an image
(ii) Hence, calculate the size of a 32 bit Bitmap image having size 100 x 250 pixels
(c) Define the following terms with reference to text in multimedia
(i) Sans Serif
(ii) Anti Aliasing
(iii) Rasterization
(iv) Kerning
(v) Tracking
(d) List five digital audio formats
(e) Calculate the size of a 30 second mono recording at 44.1 KHz with 8 bit resolution
(f) How can MIDI be used with modern data compression techniques? Briefly describe how such compression techniques may be implemented?
QUESTION 3
(a) Define the term Color Depth
(b) State five different criteria that would help you to select a Multimedia Authoring Tool
(c) What key issues or problems does a multimedia system have to deal with when handling multimedia data?
(d) Differentiate between a bitmap image and a vector image
(e) Explain the following terms
(i) Trimming
(ii) Crossfading
(iii) Sampling
(f) Multimedia hardware enables computers to perform some unique functions. Describe some of the functions in term of multimedia for any hardware peripheral that you have come across
QUESTION 4
(a) Write a movie to create a rollover effect when the mouse cursor is placed on an image, that is, a certain image will change to another one. Also the cursor should change to another cursor type on mouse over
(b) Write lingo codes to position an object randomly on the stage (the width = 320 and height = 240) each time the movie starts