storage method available with disks in which data can be located by its address rather than sequentially.

A storage device, such as a computer disk, that provides direct access to a particular data, in contrast a serial-, or sequential-, access storage device, such as a magnetic tape.

n. (DASD). A mass storage medium on which a computer stores data.

A device in which access time is effectively independent of the location of the data.

a data storage device that permits direct retrieval of information as opposed to sequential retrieval

A storage device such as a hard disk, whose data can be accessed directly, without having to read all the preceding data.

A general term for magnetic disk storage devices. This term has historically been used in the mainframe and mid-range computer environments, and also includes hard disk drives for personal computers.

A direct access storage device-, or DASD (IPA ) is a form of magnetic disk historically used in the mainframe and minicomputer (mid-range) environments. A redundant array of independent disks (RAID) is a form of DASD.