To put data on an optical disc requires a high-intensity laser beam,which burns indentations,called pits,and flat areas,called ____.
A) lands
B) valleys
C) hills
D) lakes

Question

Quizplus · Accepted Answer

Optical discs, such as CDs and DVDs, use pits and lands to represent data. The pits are burned into the disc using a high-intensity laser beam, while the lands are flat areas in between the pits. Therefore, the correct answer is A) lands.

To Put Data on an Optical Disc Requires a High-Intensity