Computer Science for IGCSE & O level - Hardware (Section 12 - No. 5)
Which of the following is true of optical discs?
Data is stored using a single spiral track.
Data is written onto the disc's surface.
A laser beam is used to read and write data.
They are more durable than HDDs.
Shpjegimi
Optical discs store data in a spiral format using a laser, on the disc surface.