The Full Form of CD is Compact Disk. CD was originally developed to store and play only sound recordings but was later adapted for storage of data. It is a flat small-rounded recordable device that can store up to 700mb of data. It has a diameter of 120 millimeters or 4.75 inch. CD was developed by Philips and Sony and released in 1982. It can store any type of data like audio, video, text, pictures, etc in digital format. On CDs data is stored in the form of small notches on the disc and when the disc is played the data is read by a laser from an optical drive.
In 2004, worldwide sales of audio CDs, CD-ROMs, and CD-Rs reached about 30 billion discs. And in 2007, 200 billion CDs had been sold worldwide that is humongous.
CD wasn't developed by a single person, so its credit can't be given to a single person as every part of the CD has been discovered by different individuals. James Russell is the most attributed inventor of the CD. He discovered it in 1965 and sold it to Sony and Philips Company. The first CD was produced on 17 August 1982 at the Philips factory in Germany.
There are some other full form of cd used by different people on different topics or situations, some of them below.
If you have any query left about cd full form comment in the below, I will reply you. And please ask me any question? I'm waiting. Thanks for Reading :)