Information Technology in a Global Society

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Area of Interaction - Arts, Entertainment and Leisure
 

New media: DVD, CD, VR, stereo lithography

Do some research on new media, then answer the questions below.

Research Links:

	How DVDs Work
	How CDs Work
	How Analog and Digital Recording Works
	Why can I play some DVD movies, but not others, on my computer DVD-ROM?
	What is the difference between DVD-audio and CDs?
	Audio Compact Disc - Writing and Reading the Data
	CD/ROM - An extension of the CD audio standard
	Is the sound on vinyl records better than on CDs or DVDs?

1. Distinguish between a CD and a DVD   [4 marks]

2. Explain why video compression and MPEG-2 are important for  DVD movies.
   [4 marks]

3. Distinguish between DVD-Video and DVD-Audio. 
   [4 marks]

4. Explain the difference between DVD+ and DVD-, DVD+R and DVD-R?
   [8 marks]

5. Discuss the creation and use of DVD region codes and the development of multi-region DVD players
   [10 marks]