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System/370 tape reel

System/370 tape reel

System/370 tape reel
TThe IBM System/370 of the early 1970s could read or write on magnetic tape at rates as fast as 1,250,000 characters a second. The contents of a 1,500-page dictionary could be read from the tape reel in about 13 seconds. The rate resulted from high reel speed and high density on the tape.