Present Terminology
Both drums and data cells have disappeared as products, so DASD remains as a synonym of a disk device. Modern DASD used in mainframes only very rarely consist of single disk-drives: most commonly "DASD" means large disk arrays utilizing RAID schemes.
Read more about this topic: Direct Access Storage Device
Famous quotes containing the word present:
“Death, the most dreaded of all evils, is therefore of no concern to us; for while we exist death is not present, and when death is present we no longer exist.”
—Epicurus (c. 341–271 B.C.)