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History
Magnetic-tape data storage
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Magnetic-tape data storage is a system for storing digital information on magnetic tape using digital recording.
10+1⁄2-inch (270 mm) diameter reel of 9-track tape
10+1⁄2-inch (270 mm) diameter reel of 9-track tape
Quarter-inch cartridges
Quarter-inch cartridges
An IBM 3590 data cartridge can hold up to 10GiB uncompressed.
An IBM 3590 data cartridge can hold up to 10GiB uncompressed.
IBM 729V
IBM 729V
Magnetic tape
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Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire recording from Denmark. Devices that use magnetic tape could with relative ease record and playback audio, visual, and binary computer data.
7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s–70s.
7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s–70s.
Compact Cassette
Compact Cassette
A VHS helical scan head drum. Helical and transverse scans made it possible to increase the data bandwidth to the necessary point for recording video
A VHS helical scan head drum. Helical and transverse scans made it possible to increase the data bandwidth to the necessary point for recording video on tapes, and not just audio.
Small open reel of 9-track tape
Small open reel of 9-track tape