Secondary storage device refer to any volatile storage device that is internal or external to the computer it can be any storage device beyond the primary storage that enables permanent data storage and secondary storage device is also known as auxiliary storage device or external storage technopedia explain secondary storage device secondary storage devices are primary referred to a storage device that serve as an addition to the computer primary storage Ram and cache memory typically secondary storage allow for the shortage of data ranging from a few megabyte to petabyte these devices store Virtually all program and application is stored on computer including the operating system device driver application and general user data most of the secondary storage device are internal to the computer such as the hard disk drive the tape describe and even the compact disk drive floppy disk drives
categories of secondary memory
the secondary memory in the computer is divided
- floppy disc
- compact disc
- hard disc
