Computer Science Paper 1: Use a laser and a magnet to heat a spot on the disk and then set it's state to become a 0 or a 1 using the magnet before it cools again

Question

Use a laser and a magnet to heat a spot on the disk and then set it's state to become a 0 or a 1 using the magnet before it cools again

Sozen · Accepted Answer

How do rewritable disks store data?

Use a laser and a magnet to heat a spot on the disk and then set it's state to become a 0 or a 1 using the magnet before it cools again