Optical storage, shown in the figure above, stores data as ____.
A)microscopic spots
B)removable particles
C)read-write heads
D)magnetized particles

Question

Optical storage, shown in the figure above, stores data as ____.
A)microscopic spots 
B)removable particles 
C)read-write heads 
D)magnetized particles

Quizplus · Accepted Answer

Optical storage devices, such as CDs and DVDs, store data as microscopic spots on the disc's reflective surface. These spots are read by a laser beam, which is directed by a read-write head. Removable or magnetized particles are not typically used in optical storage.

Optical Storage, Shown in the Figure Above, Stores Data as ____