The optic disc is a storage medium that allows data to be written and read using a laser beam, and its main function is storage. Optical discs can hold the equivalent of up to 400 books.
An optical disc offers several benefits compared to the alternatives. It has the capacity to hold more data than other storage devices. More data can be written in a small space thanks to the use of a laser beam. An example of optical disc is Blu-ray. Optical discs are also easy to manufacture. Another great benefit of an optic disc is that data is safe from environmental issues such as magnetic disturbances.