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:
“We see past time in a telescope and present time in a microscope. Hence the apparent enormities of the present.”
—Victor Hugo (1802–1885)