CD vs. DVD

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CD vs. DVD

• By Lucas Rowland

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What is a CD?

• A compact disc is a flat, round, portable metal
  disc with a plastic coating.

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CD

• CD-ROM
• CD-R
• CD-RW

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DVD

• DVD-ROM
• DVD-R
• DVDR
• DVD-RW
• DVDRW
• DVDRAM

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What can they be used for?
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Difference

• A CD holds 700 MB vs. A DVD holds 4.7 GB.
• Pits and tracks are smaller on DVDs, allowing for
  more space.

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DVD Audio

• A CD can hold 80 minutes of music. A DVD Audio
  disc can hold 80 minutes of music at its highest
  quality. Lower the quality or accuracy of the DVD
  Audio disc to hold 7 hours of music!

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Jump drives?

• You can buy a 50 pack of 700MB CDs for 20.
• Jump drives are 10 to 100.

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The Future - Playstation 3

• Blu-Ray discs
• 50 GB BD vs. 5 GB DVD

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Summary

• Blank CDs and DVDs are good for storage.
• Know what kind of CD/DVD Drive you have. (,-)

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References

• Discovering Computers 2007
• www.discovision.com/cd_vs_dvd.htm
• www.us.playstation.com/PS3/About/BluRay