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The 3480 tape format is a magnetic tape data storage format developed by IBM. The tape is one-half inch (13 mm) wide and is packaged in a 4 in × 5 in × 1 in (102 mm × 127 mm × 25 mm) cartridge. The tape is one-half inch (13 mm) wide and is packaged in a 4 in × 5 in × 1 in (102 mm × 127 mm × 25 mm) cartridge.
The cartridge's dimensions are approximately 5.25 by 4 by 0.8 inches (13.3 cm × 10.2 cm × 2.0 cm). The magnetic tape is played at 3.75 inches per second (twice the speed of a cassette), is wound around a single spool, is about 0.25 inches (0.64 cm) wide and contains 8 parallel tracks.
The magnetic tape on VHS-C cassettes is wound on one main spool and used a gear wheel which moves the tape forward. It can also be moved by hand. It can also be moved by hand. This development hampered the sales of the Betamax system somewhat, because the Betamax cassette geometry prevented a similar development.
Tape was an important medium for primary data storage in early computers, typically using large open reels of 7-track, later 9-track tape. Modern magnetic tape is most commonly packaged in cartridges and cassettes, such as the widely supported Linear Tape-Open (LTO) [1] and IBM 3592 series.
The 2400 Series Magnetic Tape Units were introduced with the System/360 and were the first to use 9-track tape. The dimensions of the tape and reels are identical to those used with 7-track units, such as the IBM 729. But older 7-track tapes can be read and written only on special 2400 drives equipped with 7-track read and write heads and the 7 ...
7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s–70s. 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 ...