Posts Tagged ‘disk’

Data Recovery Glossary (Letter V)

Tuesday, February 9th, 2010

Virus Scanner Software that is used to scan for and eradicate computer viruses, worms, and Trojan horses. 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

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Data Recovery Glossary (Letter V)

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Data Recovery Glossary (Letter W)

Tuesday, February 9th, 2010

Winchester Disk Former code name for an early IBM hard disk model, sometimes still used to refer to the technology and design of most traditional hard drives.

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Data Recovery Glossary (Letter W)

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Data Recovery Glossary (Letter T)

Friday, February 5th, 2010

TPI (Tracks per inch) The number of tracks written within each inch of the disk’s surfaces, used to measure how closely the tracks are packed on a disk surface. Also known as track density. Tagged Queuing The ability of the drive to receive multiple I/O processes from each initiator

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Data Recovery Glossary (Letter T)

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Data Recovery Glossary (Letter S)

Thursday, February 4th, 2010

SCA-2 SCA-2 (Single Connector Attach) interface incorporates a grounding contact, blindmate connector, direct plug misalignment tolerance, ESD protection, hot swap capability, and backplane connector options for SCSI devices.

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Data Recovery Glossary (Letter S)

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Data Recovery Glossary (Letter R)

Monday, February 1st, 2010

RLL (Run Length Limited) An encoding scheme used during write operations to facilitate data readback.

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Data Recovery Glossary (Letter R)

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Data Recovery Glossary (Letter P)

Thursday, January 28th, 2010

PC Personal computer. PRML (Partial Response Maximum Likelihood) A read channel using sampled data, active equalization and Veterbi detection to accurately retrieve the user data off the disk

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Data Recovery Glossary (Letter P)

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Data Recovery Glossary (Letter M)

Wednesday, January 27th, 2010

MB (Megabyte) One megabyte as 1,000,000 (one million) bytes. MFM (Multiple Frequency Modulation) A method of encoding analog signals into magnetic pulses or bits.

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Data Recovery Glossary (Letter M)

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Data Recovery Glossary (Letter D)

Monday, January 18th, 2010

Database A collection of data stored on a computer system medium, such as a hard drive, CD-ROM, etc., that can be used for more than one purpose. Data Recovery Data recovery is the procedure used to recover data from a variety of media and operating systems that has been lost by either hardware failure, human error, software bugs, a virus or a natural disaster

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Data Recovery Glossary (Letter D)

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Hard Disk Data Recovery Tips

Friday, August 28th, 2009

Before you venture into hard disk data recovery business, it is necessary to know the causes of hard disk failure . The causes can be either logical failture , or electrical failture or mechanical failture . Logical causes include problems with the boot sector of the hard drive which leads to non-booting of Windows

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Hard Disk Data Recovery Tips

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