Computer Science for IGCSE & O level - Hardware (Section 11 - No. 11)
Which factor determines the storage capacity of a DVD?
The wavelength of the laser light used.
The number of tracks on the disk.
The thickness of the disc.
The speed of rotation of the disc.
คำอธิบาย
The shorter the wavelength of the laser light used, the greater the storage capacity of the medium.