Tape
How is data stored on a tape?
p. 370 Fig. 7-30
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ØSequential access
Digital audio tape DAT 2 GB to 240 GB
(also called digital data storage) (also called DDS)
Digital linear tape DLT 20 GB to 229 GB
Linear tape-open LTO 100 GB to 200 GB
Quarter-inch cartridge QIC 40 MB to 50 GB
Travan TR 8 GB to 50 GB
Popular Types of Tape
Name Abbreviation Storage Capacity
§Unlike direct access — used on floppy disks, Zip disks, hard disks, CDs, and DVDs — which can locate particular item immediately
§Reads and writes data consecutively, like music tape