The primary difference between a DVD and a CD is that one is read and written using optics while the other uses magnets.

True

False

Answer: False

Explanation:

The surface of the CD contains one long spiral track of data. CD's are read by CD drives, and the drive converts the reflections of lasers and shine into 1s and 0s to read digital data from the disc. A DVD is a technology based on optical data storage similar to DVD. So the main and primary difference between a DVD and a CD is that the pits on the discs are more closer on a DVD.

The given statement is false.

Explanation:

Both CD and DVD uses Optical medium to read and write data. The storage capacity and the quality of the audio / video tracks differ for these.

A DVD can store more than what a CD can store and DVD provide quality reading and writing towards the disk especially for audio and video tracks.

The capacity of CD will be around 700 MB where as the DVD would be six times more than a CD. A CD player cannot play DVDs but a DVD player can play CD."