Digital Data Storage

Digital Data Storage (DDS) is a computer data storage technology that is based upon the Digital Audio Tape (DAT) format that was developed during the 1980s. DDS is primarily intended for use as off-line storage, especially for generating backup copies of working data.

This article is about a particular data storage media. For the general meaning, see data storage device.
Digital Audio Tape
Media typeMagnetic cassette tape
EncodingLossless real-time
Read mechanismRotating head
Write mechanismRotating head, helical scan
Developed bySony
UsageData storage
Extended fromDigital Audio Tape
Released1989 (1989)
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