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Sequential Storage
Devices that require that you read (or speed past) all of the data physically stored prior to the desired location. A common example of a sequential storage device is a magnetic tape drive.
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Punched or magnetic tape containing key. Printed key in tape form is referred to as a key list.
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A magnetic tape technology. DAT uses 4mm cassettes capable of backing up anywhere between 26 and 126 bytes of information.
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A storage medium consisting of a continuous strip of coated plastic film wound onto a reel and on which data can be recorded as defined patterns of magnetic spots.
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A data storage unit on which data can be accessed directly without having to progress through a serial file such as a magnetic tape file. A disk unit is a direct access storage device.
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Magnetic representation of residual information remaining on a magnetic medium after the medium has been cleared. (. See clearing. )
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