Computer Science for IGCSE & O level - Hardware (Section 13 - No. 34)

What is a key feature that distinguishes Blu-ray discs from DVDs?

Blu-ray uses a red laser.

Blu-ray has a higher storage capacity.

Blu-ray uses a shorter wavelength laser.

Blu-ray is cheaper to manufacture.

Blu-ray has more storage capacity due to the shorter wavelength laser.