noun
direct access storage device; DASD
Technical computing term for a storage device that allows data to be accessed directly at any location, such as a hard disk drive.
直接アクセス記憶装置は、ハードディスクドライブの総称として使われることがある。
Direct access storage device is sometimes used as a generic term for hard disk drives.
Compound of 直接 (direct) + アクセス (access) + 記憶装置 (storage device), calqued from English 'direct access storage device'.