CD/DVD Players
How does it work?
Article #1 "Introduction"
This introduction will jump off our studies of how CD/DVD players work. Read the paragraph and watch the movie below it.
Article #2 "The Materials"
1) What is a CD/DVD made out of?
-Draw the layers of a CD.
2) How much data is stored on a typical CD?
Article #3 "The Spiral"
3) Explain "the spiral" on a cd. In other words how are the pits arranged on the CD.
4) Why can CDs be made smaller than 4.8"?
Article #4 "CD/DVD Player Components"
5) How fast does a cd/dvd spin? Why would it spin faster or slower?
Article #5 "How The System Works"
6) What picks up the laser beam after it is reflected off the aluminum disc?
7) As best you can, put it all together. How does a CD/DVD player work?
CD/DVD's
Format War
There is a war going on between two ways to write and read CDs and DVDs. It is important to know about this war so that you can purchase the correct CDs and DVDs.
When you need to learn technical computer information it is helpful to read other peoples' blogs and the responses to their blogs.
I have linked a blog on the format war. Read the article and answer these quesitons. Next, read 4 responses to the article and write 4 things that you've learned or that people disagree with from the article.
1) Which format can be written and erased and re-written?
2) Which companies choose mainly the plus format and which choose the minus format.
3) Why will there not be a clear winner of the format war?
Purchasing a DVD Burner
Bluray DVD Technology Research and Blog
What is this Bluray DVD Technology stuff Why is it better than traditional DVD technology? Click on the link above to begin researching this topic. The Blog is at the bottom of the page.