Matches in DBpedia 2015-10 for { ?s ?p "A direct-access storage device (DASD, pronounced /ˈdæzdiː/) is any secondary storage device in which "each physical record has a discrete location and a unique address." IBM developed DASDs for use with mainframe computers and some minicomputers. Disk drives, magnetic drums, data cells and optical disc drives are all classified as DASDs.Access methods for DASDs include sequential, indexed, and direct. The direct access capability, occasionally and incorrectly called random access (although that term survives when referring to memory or RAM), stands in contrast to sequential access used in tape drives. A record on a DASD can be accessed without having to read through intervening records from the current location, whereas reading anything other than the "next" record on tape requires skipping over intervening records, and requires a proportionally long time to access a distant point in a medium. The DASD storage class includes both fixed and removable media."@en }
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- Direct-access_storage_device abstract "A direct-access storage device (DASD, pronounced /ˈdæzdiː/) is any secondary storage device in which "each physical record has a discrete location and a unique address." IBM developed DASDs for use with mainframe computers and some minicomputers. Disk drives, magnetic drums, data cells and optical disc drives are all classified as DASDs.Access methods for DASDs include sequential, indexed, and direct. The direct access capability, occasionally and incorrectly called random access (although that term survives when referring to memory or RAM), stands in contrast to sequential access used in tape drives. A record on a DASD can be accessed without having to read through intervening records from the current location, whereas reading anything other than the "next" record on tape requires skipping over intervening records, and requires a proportionally long time to access a distant point in a medium. The DASD storage class includes both fixed and removable media.".