Optical Drives

Use the How Stuff Works web site to answer the following questions regarding CDs:

1. How many minutes of music and how much data can a CD hold?
   
2. How is the arrangement of data on a CD different from how the data is stored on a hard drive?
   
3. What component on a CD ROM makes it an optical device?
   
   
   How DVDs Work
4. How does the storage capacity of a DVD compare with a CD? Give several examples of the type of information that is stored on a DVD.
   
5. Give three advantages of DVDs over VHS tapes. (Note: Dolby is a graduate of Sequoia High School)
   
   Storing Data on a DVD
6. How can a DVD store so much more data than a CD?

Blu Ray Technology

8. How is blu ray technology different from current optical drives?

9. How does the storage capacity of blu ray compare to DVDs?

10. Perform a search for a blu ray drive. List the web site, part number and price of the drive.

11. Do you have a blu ray drive on your home computer? Why would you want one?