magnetic storage


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magnetic storage

[mag′ned·ik ′stȯr·ij]
(computer science)
A device utilizing magnetic properties of materials to store data; may be roughly divided into two categories, moving (drum, disk, tape) and static (core, thin film). Also known as magnetic memory.

magnetic storage

A medium for holding information (data, voice, video, etc.), such as tape and disk. The medium can be erased and reused over and over again. In the digital world, information is recorded by writing tiny spots (bits) of negative or positive polarity on tapes and disks. A read/write head discharges electrical impulses onto the moving ferromagnetic surface. Reading is accomplished by sensing the polarity of the bit with the read/write head.

In the analog world, information is recorded by altering the polarity of the magnetic medium to create analogous waveforms of air vibrations (sound) or intensities of color and brightness (video). See magnetic tape, magnetic disk, magnetic stripe, read/write head and ferromagnetic.
References in periodicals archive ?
IDC believes that OEM opportunities do exist for manufacturers of high-capacity removable magnetic storage.
For example, the data transfer rate for DLT drives is 5MB per second while that of the IBM 3590 Magstar is 9MB per second, a data-transfer rate that no optical media and drives and no low-cost magnetic storage media and drives can match.
IDC expects strong growth in the low end removable magnetic storage market will continue in the year ahead.
The company also markets scanners, printers and optical and magnetic storage devices, as well as photographic equipment.
E[acute accent]Unlike magnetic storage media, UDO tolerates a wide range of environmental conditions and can be safely stored for many years in a typical office environment.
Technological progress in magnetic storage on all fronts has been phenomenal by any measure and there appears to be no near-term end in sight.
By utilizing proprietary OHD (optical hard drive) technology, Pinnacle Micro has developed an optical drive system with price and performance features that rival magnetic storage technology.
Healy's experience spans 15 years and includes serving as general manager of the Magnetic Storage Division at Crystal Semiconductor/Cirrus Logic, Zilog and GEC Plessey Semiconductor.
Storage of data on tape has a history extending back more than 45 years, with magnetic storage being developed more than a century ago.
to meet the increased demand for non-superconductive materials, particularly in the semiconductor, optical and magnetic storage industries.
The original magnetic storage device was as big as a refrigerator and held a mere five megabytes of data.
Magnetic storage capacities are expected to continue to grow at 60% or more annually for the next 5+ years.