Computer Science for IGCSE & O level - Hardware (Section 6 - No. 10)

How is data stored on a DVD compared to a CD?

DVD uses a single layer, whereas CD uses multiple layers.

DVD uses smaller pits, allowing for more data storage.

DVDs are physically smaller than CDs.

CDs use a blue laser and DVDs use a red laser.

DVDs use smaller pits and tracks than CDs, which leads to more storage.