Computer Science for IGCSE & O level - Hardware (Section 23 - No. 20)
In a DVD, what is the primary function of the spiral track?
To store the data bits.
To allow the laser to read the data.
To guide the laser head.
To manage the disc's rotation speed.
הֶסבֵּר
The spiral track guides the laser head across the disc surface to read and write data.