8/14/2019 Data Recovery Glossary - E.pdf
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E DataRecoveryGlossary
ECC
It
is
an
acronym
for
Error
Correction
Code.
The
amalgamation
of
additional
paritybitsinbroadcasteddatatospoterrors,whichcanbecorrectedbythe
controller.
ECCOntheFlyAhardwaremodificationmethod,whichcorrectserrorsintheread
bufferprevioustohosttransferexclusiveofanyperformancefines.Theseerror
correctionsarenotvisibletothehostsystemduetothefactthattheydonotneed
helpfromthedrivesfirmware.
EIDE(EnhancedIntegratedDriveElectronics)Theprincipalinterfaceusedby
desktopPCstomanagecommunicationbetweenharddrivesandthecentral
processingunit.ThecorrespondinginterfacesysteminmostventuresystemsisSCSI.
EmbeddedServoAtechniqueofusingthespacebetweensegments(intersector
gaps)oneachdatasurfaceofadiscdriveinordertopresentservopositioningdata.
Thistechniqueavailsthesameheadtoreadbothservoanddatainformation,
permittingallsurfacestobeavailedfordatastorage.
EmbeddedServoControlTheembeddedservocontroldesignmakesprecise
feedback
information
to
the
head
position
servo
system
without
needing
a
full
data
surface(whichisneedwithadedicatedservocontrolmethod)duetothereason
thatservocontroldataissavedoneverysurface.
Encoding
Thepracticeofalteringdatapatternsbeforewritingthemonthesurface
ofthedisk.
EncrypteddataDatachangedintocyphertext.Encryptionisthesafestmethodto
guaranteetheconfidentialityofthedata.
Enterprise
The
succession
of
computers
engaged
mostly
in
high
volume
and
multi
useratmosphereslikeserversornetworkingapplications;maycompriseofsingle
userworkstationsneededindemandingdesign,engineeringandaudio/visual
applications.
ErrorCorrectionCode(ECC)Amathematicalalgorithm,whosepurposeistospot
andcorrecterrorsinadatafield.
ErrorLogItisarecordcontaininginformationabouttheerrors.
ErrorRate
It
can
be
defined
as
the
amount
of
errors
of
acertain
type
that
take
placewheninterpretationofaspecifiednumberofbitsisconcerned.
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ExecutableAreadytobeexecuted(run)machinelanguageprograminabinary
file.InMSDOSandWindows.exeextensionisusedforthesefiles.
ExtendedPartitionYoucancraftmanypartitionsonaharddisk,oneprimaryor
mainpartitionandoneormoreadditionalextendedpartition(s).Operatingsystem
filesmustbelocatedontheprimaryormainpartition.nonsystemfiles(filesother
thanDOSoroperatingsystemfiles)canbestoredontheextendedpartitionpartof
thedisk.Youcanalsomakelogicaldrivesontheextendedpartition.
ExtractToextractmeansreturningacompressedfiletoitsoriginalform.Usually,
youhavetoextractacompressedfileifyouwishtoviewitscontents.
ExpansionCardItisanintegratedcircuitcard,whichispluggedintoanexpansion
slotonamotherboardinordertopresentawayintoadditionalfeaturesoroptions
thatare
not
already
built
into
the
motherboard.
Also
see
adapter.
DolphinDataLabhttp://www.dolphindatalab.com/
