... 1s and 0s. The laser darkens the material to encode a 0 and leaves it translucent to encode a 1. Most CD burners can create CDs at multiple speeds. At 1x speed, the CD spins at about the same rate as it does when the player is reading it. This means it would take you about 60 minutes to record 60 minutes of music. At 2x ... speed, it would take you about half an hour to record 60 minutes, and so on. For faster burning speeds, you need more advanced laser-control systems and faster ... called the PCA, the Power Calibration Area, this is a group of test marks on the disk that allow the C...

• Word Count: 2087
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School