1. How To Build A Computer
... burn pits into a disk that are read by another laser and transferred into the computers language. The difference between a DVD and a CD lies microscopically on the disk itself. This internal design provides DVD with the major advantage over CD. The indentations on a DVD are much smaller and closer together than the ones on a CD, thus allowing more information to be stored on each ... disk. Specifically, the minimum pit length of a DVD's pits is 0.4 micrometers as compared to 0.83 micrometers on a CD. In addition, the DVD track pitch is reduced to 0.74 micrometers, less than half of CDs ...
- Word Count: 7384
- Approx Pages: 30
- Grade Level: High School