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Unformatted text preview: CM0340 CARDIFF UNIVERSITY EXAMINATION PAPER Academic Year: 2007/2008 Examination Period: Autumn Examination Paper Number: CM0340 Examination Paper Title: Multimedia Duration: 2 hours Do not turn this page over until instructed to do so by the Senior Invigilator. Structure of Examination Paper: There are 3 pages. There are 4 questions in total. There are no appendices. The mark obtainable for a question or part of a question is shown in brackets alongside the question. Students to be provided with: The following items of stationery are to be provided: ONE answer book. Instructions to Students: Answer 3 questions. The use of translation dictionaries between English or Welsh and a foreign language bearing an appropriate departmental stamp is permitted in this examination. 1 PLEASE TURN OVER CM0340 Q1. (a) Why is data compression desirable for multimedia activities?  (b) What is the distinction between lossy and lossless data compression?  (c) What are the main differences between the target media for JPEG and GIF com-...
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