Как читается буквами ? the purpose of storage hardware is to store computer instructions and data and retrieve when needed for processing. the most common ways of storing data are hard disk, floppy disk and cd-rom. hard disk is a rigid disk coded which magnetic material, for storing programs and relatively large amounts of data. compact disc read only memory is a compact disk on which a large amount of digitized read-only data can stored. digital video disk is a digital dick on which a large amount of digitized read-only data can be stored. the purpose of output hardware is to provide the user wich the means to view information produced by the computer system.