DAT

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DAT

(computer science)

DAT

(1)

DAT

(2)

DAT

(1) (DATa) See DAT file.

(2) (Dynamic Address Translator) A hardware circuit that converts a virtual memory address into a real address.

(3) (Digital Audio Tape) A magnetic tape technology used for backing up data. DAT uses 4mm cartridges that look like thick audio cassettes and conform to the DDS (Digital Data Storage) standard. DAT tape libraries hold from a handful to several hundred cassettes. DAT was initially a CD-quality audio format. It was thought to replace analog audiotapes for consumers, but wound up being used by professional musicians and sound studios. In 1988, Sony and HP defined the DDS format and quality level for computer storage. Like videotapes, DAT uses helical scan recording. See magnetic tape and ADAT.

Type    Native Capacity
  DDS-1    2GB
  DDS-2    4GB
  DDS-3   12GB
  DDS-4   20GB
  DDS-5   36GB


DAT Cartridge
DAT provides up to 36GB of native storage in a cartridge that is a little thicker, but smaller overall than an audio cassette.







Helical Scan Formats
These are the helical scan tape formats used for digital storage. See helical scan.


Helical Scan Formats
These are the helical scan tape formats used for digital storage. See helical scan.
References in periodicals archive ?
Fujifilm's DDS3 data cartridge incorporates the company's dual-coated ATOMM (Advanced super Thin-layer and high Output Metal Media) technology.
Fujifilm DDS3 represents a major product development, and it is the latest in a series of `next generation' products being made possible by Fujifilm's ATOMM technology," said Steve Solomon, vice president and general manager, Computer Products Division, Fuji Photo Film U.
DDS3 provides a native capacity of 12GB with transfer rates of around 2.
Below that, we have the DDS range of products with the main products being the DDS2 and DDS3 products, Exabyte 8mm products from 7 to 20GB native, and the Sony AIT range.