Question

Where is the recording done by burning tiny pits on a circular disk?

Answer 1

The answer is optical disk.

The recording is done by burning tiny pits on a circular disk in an optical disk. This storage device is available in various sizes ranging from 7.6 to 30 cm in diameter. However, the most popular optical disk has a diameter of 12 cm and a thickness of 1.2 mm. It supports three kinds of recording – read only (CDROM), recordable/write once (CD-R) and re-recordable/rewritable (CD-RW).