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It is a data storage medium
A magnetic tape is a secondary storage media used to access data in a sequential way
It's sequential (or serial) access. The records are written one after the other (as if in a line or queue) and in order to find one the tape must be fast-forwarded or rewound as appropriate until the beginning of the record is found.
magnetic tape
Disk Drives have Read/Write Heads on a swinging moveable access arm that moves the head out to the area to be recorded/read-from. Random access device. Much faster Tape drives have fixed position heads and the tape medium has to move past the head in order to transfer/record data from the head to the medium. Sequential access is slower.
A magnetic storage device is a device that uses a magnetic head to read and write data to and from a magnetizable medium. The medium can be as basic as a plastic tape that is coated with fine particles of a metal, such as is found in audio recording and tape storage devices.
Random Access Memory, as verses Sequential Access Memory (delay lines, magnetic tape, magnetic drum, magnetic disk, etc.)
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Magnetic tape is a medium for magnetic recording, made of a thin magnetizable coating on a long, narrow strip of plastic. It was developed in Germany, based on magnetic wire recording. Devices that record and play back audio and video using magnetic tape are tape recorders and video tape recorders. A device that stores computer data on magnetic tape is a tape drive.