Computer Science for IGCSE & O level - Hardware (Section 26 - No. 22)
What is a characteristic that distinguishes a single-layer Blu-ray disc from a DVD?
DVDs use a blue laser.
Blu-ray discs have a higher storage capacity.
DVDs are more durable.
Blu-ray discs have a red laser.
Explication
Blu-ray discs have a larger storage capacity.