Floppy drives, CDs, and DVDs used to be a primary source of external storage for many before USB storage devices took over. Nowadays, many devices do not even come with a built-in CD, DVD writer ...

(1) See USB drive and external drive. (2) A disk or disk cartridge that is inserted into the drive for reading and writing and removed when not required. CD, DVD and Blu-ray discs are optical ...

The most common types are CD, DVD and Blu-ray ... they have mostly been superseded by USB-based flash drives and external hard drives. Following are the major categories of optical discs in ...

For many years now a source for some of the smallest and cheapest home made CNC mechanisms has been the seemingly never-ending supply of surplus CD and DVD-ROM drives. The linear actuator that ...