Storage Devices
The computer has a number of different storage devices on which data can be stored. These devices are also referred to as disk drives and come in assorted shapes and sizes. The first disk drives were physically large but small in capacity and were very expensive. Today, disk drives are physically small, large in capacity and are comparatively inexpensive. In addition there are different types of disk drives: hard disk drives, floppy and stiffy disk drives, CD-ROM and DVD drives, and CD-R and DVD-Ram drives.