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Glossary of Hard Disk Drive Terminology (Letter V)

January 15th, 2009

Value-added Reseller (VAR)
Often referred to as a “Var” or “Reseller.” The independent professionals who market computer systems and components and who add value by performing assembly, upgrades, training and other services.

Viterbi Detection
An algorithm used in read channel technology that detects an entire sequence of data bits at a time and determines the most likely sequence of data bits by comparing actual sequence of data bit samples with sequences of possible data bit sample to accurately detect that data written to disk.

Voice Coil
An actuator motor; the force of the magnetic rotary voice coil produces a movement of the head that is proportionate to the force exerted by the coil.

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