Model : DATA STORAGE
This article is about all forms of data storage. For data storage on computers in particular, see Computer data storage.
RNA is an ancient storage medium.
Various electronic storage devices
Edison cylinder phonograph c. 1899. The phonograph cylinder is a storage medium. The phonograph may be considered a storage device.
On a reel-to-reel tape recorder (Sony TC-630), the recorder is data storage equipment and the magnetic tape is a data storage medium.
Data storage is the recording (storing) of information (data). Recording is accomplished by virtually any form of energy.
DNA and RNA, handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. Electronic data storage requires electrical power to store and retrieve data. Data storage in a digital, machine-readable medium is sometimes called digital data. Computer data storage is one of the core functions of a general purpose computer.
Electronic documents can be stored in a much less space than paper documents. Barcodes and magnetic ink character recognition (MICR) are two ways of recording machine-readable data on paper.