Computer Science for IGCSE & O level - Hardware (Section 21 - No. 34)
What is the main advantage of a dual-layer Blu-ray disc over a single-layer Blu-ray disc?
Faster data transfer speeds.
Increased storage capacity.
Greater durability.
Lower cost.
Forklaring
Dual-layer Blu-ray discs can hold more data than single-layer discs.