Many characteristics of storage systems.
A storage medium is what data is stored on eg. floppy disc. A storage device is a device in which storage medium is inserted in to be used eg. floppy disc drive. Novaility is when the device is powered off and that data remains on the medium. Radom access data can be acessed from any location on the storage medium. Sequential access which can only be physically stoered on the medium. File is a storage medium. Filename is the name given to a file and a folder is a storage medium on which a file can be stored. with magnetic medis data is stored magnetically eg. floppy disc. Optical storage media use laser beams eg. Cds.

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