Digital Data Storage
| Media type | Magnetic cassette tape |
|---|---|
| Encoding | Lossless real-time |
| Read mechanism | Rotating head |
| Write mechanism | Rotating head, helical scan |
| Developed by | Sony |
| Usage | Data storage |
| Extended from | Digital Audio Tape |
| Released | 1989 |
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.