CDs, or compact discs, are a well-liked type of optical media used to retailer information, together with music, films, and software program. They’re fabricated from a polycarbonate plastic disc with a skinny layer of aluminum on one facet. Information is saved on the aluminum layer within the type of tiny pits and lands. When a CD is performed, a laser beam scans the aluminum layer and displays off the pits and lands. The mirrored mild is transformed into {an electrical} sign, which is then decoded to supply the info.
Over time, CDs can turn out to be scratched or soiled, which might trigger them to skip or freeze when performed. When you’ve got a CD that’s skipping, there are some things you are able to do to scrub it and attempt to repair the issue.
