Computer Science for IGCSE & O level - Hardware (Section 7 - No. 42)
What is a major difference between a DVD and a Blu-ray disc related to storage capacity?
Blu-ray uses a red laser; DVD uses a blue laser.
Blu-ray has a higher storage capacity than DVD.
DVD has a higher storage capacity than Blu-ray.
Both have the same storage capacity.
Forklaring
Blu-ray discs have a greater storage capacity than DVDs.