Magnetic-tape data storage is a system for storing digital information on magnetic tape using digital recording.. 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 …

Magnetic tape is commonly housed in a casing known as a cassette or cartridge—for example, the 4-track cartridge and the Compact Cassette.The cassette contains magnetic tape to provide different audio content using the same player. The outer shell, made of plastic, sometimes with metal plates and parts, permits ease of handling of the fragile tape, making it far more …