How do optical discs store data?
A) A laser burns tiny pits onto a disc.
B) A magnet aligns iron particles on a platter.
C) Electronic memory records data on chips.
D) A digital spectrometer leaves grooves in a platter.

Question

Quizplus · Accepted Answer

Optical discs store data by using a laser to burn tiny pits onto a disc. These pits are read by a laser in a disc drive, which translates the pits into the data that was stored.

How Do Optical Discs Store Data