Computer Collection Library

7-track Magnetic Tape

Magnetic tape 0.5 inches wide on a 10.75 inch or smaller reel, containing up to 2400 feet of tape. Data is recorded in NRZ format on 7 tracks, 6 for data and one for parity. Parity can be odd or even. Recording density is 200, 556 or 800 bits per inch.


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