Digital Data Storage

Storage is the area where data can be kept on a permanent basis, when it is not immediately needed for processing.

A digital data storage system has two main components.

    1.       Storage Medium

A Storage medium is the disk, tape, CD, DVD, Paper or other substance that contains data.

    2.       Storage Devices

A storage device is the mechanical apparatus that records and retrieves data from a storage medium like Hard Disk Drives, CD Drives, DVD Drives, Blu-ray Drives and Flash drives.

Storage devices also known as Secondary (Auxiliary) storage devices (SSD, ASD), Storage media hold data even when the computer is turned off. All secondary storage devices are non-volatile.