計算機專業(yè)英語 復習

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Chapter1

Raw,unprocessedfacts,includingtext,numbers,images,andsounds.

a.data

Performspecifictasksrelatedtomanagingcomputerresources.

h.utilities

Typeofapplicationprogramsthataremorenarrowlyfocusedonspecificdisciplinesandoccupations.

f.specialized

Alsoknownasservers.b.midrangecomputers

Themostwidelyusedhandheldcomputersaresmartphonesand___.

d.PDAs

Typeofmemorythatissometimesreferredtoastemporarystoragebecauseitscontentswilltypicallybelostiftheelectricalpowertothecomputerisdisrupted.e.RAM

Themostimportantkindsofsecondarymediaareharddisks,solid-statestorage,and___.c.opticaldisks

Thetypeofsolid-statedrivewidelyusedfortransportingdataandinformationbetweencomputersandavarietyofspecialtydevices.

g.USB

Typeoffilecreatedbyelectronicspreadsheetstoanalyzethingslikebudgetsandtopredictsales.

i.worksheet

ProvidesamultimediainterfacetothenumerousresourcesavailableontheInternet.

j.Web

Book

1.Consistsofthestep-by-stepinstructionsthattellthecomputerhowtodoitswork.

f.program

2.Anothernameforaprogram.

g.software

3.Enablestheapplicationsoftwaretointeractwiththecomputerhardware.

i.systemsoftware

4.Typeofcomputerthatissmallenoughtofitontopoforalongsideadeskyetistoobigtocarryaround.

a.desktop

5.Acontainerthathousesmostoftheelectroniccomponentsthatmakeupacomputersystem.

j.systemunit

6.Devicesthattranslatetheprocessedinformationfromthecomputerintoaformthathumanscanunderstand.

d.output

7.Unlikeharddisks,thistypeofstoragedoesnothaveanymovingparts,ismorereliable,andrequireslesspower.

h.solid-state

8.Themostwidelyusedcommunicationdevice.

b.modem

9.Atypeofafilethatmightcontain,forexample,audiencehandouts,speakernotes,andelectronicslides.

e.presentation

10.Acommunicationssystemconnectingtwoormorecomputers.

c.network

MultipleChoice

1.Therulesorguidelinesforpeopletofollowwhenusingsoftwarearecalled:

Proceduresprograms

Rulesutilities

2.Thepartofalmostalloftoday’scomputersystemsthatusestheInternetandallowsuserstogreatlyexpandthecapabilityandusefulnessoftheirinformationsystems.

Connectivityhardware

USBWeb

3.Specializedprogramsthataredesignedtoallowparticularinputoroutputdevicestocommunicatewiththerestofthecomputersystemareknownas:

basicprogramsdevicedrivers

hidefstablets

4.Theleastpowerful,yetthemostwidelyusedandfastest-growingtypeofcomputeristhe:

Mainframemicrocomputer

Midrangesupercomputer

5.Thenewesttypeofcomputerthatissmallerandlighterthananotebookandtypicallydoesnothaveakeyboardbutusesatouchsensitivescreenforinput.

Netbooknotebook

Tabletserver

6.Devicesofthistypetranslatedataandprogramsthathumanscanunderstandintoaformthatthecomputercanprocess.

Inputoutput

solidstatetablet

7.Thetypeofsecondarystoragedevicethatusesrigidmetallicplatterstostoreprogramsandverylargedatafiles.

harddiskopticaldisk

solidstateWeb

8.ThreetypesofopticaldiscsareCDs,DVDs,and:

Flashhidef

MagneticRAM

9.Therevolutionthatwilldramaticallyaffectthewaywecommunicateandusecomputertechnology.

WirelesstabletPC

USBWeb

10.TypeofcomputingthatusestheInternetandtheWebtoshiftmanycomputeractivitiesfromauser’scomputertocomputersontheInternet.

Cloudbrowser

InternetWeb

Book

1.Thekeyboard,mouse,monitor,andsystemunitare:

Hardwareoutputdevices

storagedevicessoftware

2.Programsthatcoordinatecomputerresources,provideaninterface,andrunapplicationsareknownas:

applicationprograms

operatingsystems

storagesystems

utilityprograms

3.Abrowserisanexampleofa:

generalpurposeapplication

specializedprogram

systemapplication

utilityprogram

4.Althoughnotaspowerfulasasupercomputer,thistypeofcomputeriscapableofgreatprocessingspeedsanddatastorage.

Mainframemidrange

Notebook tablet

5.Thesmallesttypeofmicrocomputer:

handheld

notebook

midrange

tablet

6.RAMisatypeof:

Computermemory

Networksecondarystorage

7.Unlikememory,thistypeofstorageholdsdataandprogramsevenafterelectricalpowertothecomputersystemhasbeenturnedoff.

primary

RAM

ROM

secondary

8.Thetypeoffilecreatedbywordprocessorstosave,forexample,memos,termpapers,andletters.

database

document

presentation

worksheet

9.UsestheInternetandtheWebtoshiftmanycomputeractivitiesfromauser’scomputertocomputersontheInternet.

cloudcomputing

highdefinition

network

USB

10.Thelargestnetworkintheworldis[the]:

Facbeook

Internet

Web

USB

Chapter2

Matching

1.ThisprojectlaunchedtheInternet.

a.ARPANET

2.ProgramsthatprovideaccesstoWebresources.

b.browsers

3.ThebrowserinterpretstheHTMLinstructionsanddisplays___.

i.Webpages

4.Webbasedaccountsdonotrequireanprogramtobeinstalledonyour___.

e.computer

5.Thebillionsofunwantedandunsolicited.

h.spam

6.Photos,listsofpersonalinterests,contactinformation,andotherpersonalinformationdisplayedonFacebook.

g.profiles

7.Websitedesignedtoallowvisitorstofillinmissinginformationorcorrectinaccuracies.

j.wiki

8.EvaluatetheaccuracyofinformationontheWebbyconsideringauthority,accuracy,objectivityand_____.

f.currency

9.Clients,theInternet,andserviceprovidersarebasiccomponentsofthistypeofcomputing.

d.cloud

10. Typeofelectroniccommercethatinvolvesthesaleofaproductorservicefromonebusinesstoanother.

c.B2B

Book

1.ThemostpopularInternetactivity.

a.communicating

2.ThemostcommonwaytoaccesstheInternetisthrougha<n>.

e.ISP

3.TransmissionofelectronicmessagesovertheInternet.

c.

4.TypeofinstantmessagingservicethatsupportsavarietyofdifferentIMservices.

i.universal

5.Thepremierbusiness-orientedsocialnetworkingsite.

f.LinkedIn

6.Anothernameforablog.

j.Weblog

7.Publishesshortsentencesthatonlytakeafewsecondstowrite.

g.microblog

8.MaintainhugedatabasesrelatingtoinformationprovidedontheWebandtheInternet.

h.searchservices

9.Electroniccommerceinvolvingindividualssellingtoindividuals.

b.C2C

10. Thebasiccomponentsofcloudcomputingareclients,serviceproviders,andthe___.

d.Internet

MultipleChoice

1.TheWebwasintroducedin1991inSwitzerlandatthe:

APIXCERN

InternetSpider

2.TheseprogramsuseaURLtoconnecttoWebsites.

Browsersspam

Protocolsutilities

3.Atypeofcommunicationthatallowstwoormorepeopletocontacteachotherviadirect,livecommunication.

IM

socialnetworking

Webmail

4.Themostwidelyusedsocialnetworkingsite:

CERN

LinkedIn

Twitter

Facebook

5.ToevaluatetheaccuracyofinformationyoufindontheWeb,youshouldconsiderthesites’authority,accuracy,objectivity,and:

currency

objectivity

source

location

6.Thetypeofelectroniccommerceinwhichabusinesssellsaproducttothegeneralpublic.

B2B

B2C

C2C

P2B

7.Thistypeofcomputingfreesusersfromowning,maintaining,andstoringsoftwareanddata:

network

cloud

desktop

Web

8.Theseprogramsareautomaticallystartedandoperateasapartofyourbrowser.

filters

FTP

plug-ins

spiders

9.FTP,Web-based,andBitTorrentaretypesof:

filetransfer

protocols

spamblockers

wikis

10.ThistypeofsuitecanbeusedtomaintainyoursecurityandprivacywhileyouareontheWeb:

browsersecurity

filter

plug-in

Internetsecurity

Book

1.Thenetworkthatconnectscomputersallovertheworld.

CERN

Internet

LAN

Web

2.Therulesforexchangingdatabetweencomputers.

DSL

protocols

Web

WWW

3.Client-basedaccountsrequirethisspecialprogramtobeinstalledonyourcomputer.

client

hyperlink

Java

utility

4.CommunitiesofindividualswhoshareacommoninteresttypicallycreateFacebook:

clients

groups

pages

profiles

5.E-mailthatdoesnotrequireanprograminstalledonauser'scomputerisknownas:

ablog

apodcast

Webmail

autility

6.Averywell-knownmicroblog.

LinkedIn

Google+

Twitter

Wikipedia

7.Theseprogramscontinuallylookfornewinformationandupdatesearchservices’databaseprograms.

filters

IM

spiders

wikis

8.Usingakeyword,asearchenginereturnsalistofrelatedsitesknownas:

blogs

hits

podcasts

strikes

9.ThisistheInternet’sequivalenttotraditionalcash.

digitalcash

e-commerce

iCash

Internetdollars

10.Usingfiletransferutilitysoftware,youcancopyfilestoyourcomputerfromspeciallyconfiguredserversontheInternet.Thisiscalled:

downloading

filtering

blogging

uploading

Chapter3

Matching

1.Applicationsoftwarecanbedividedintotwocategories:basicand___.

h.mobileapps

2.ThisGUIusesasystemofribbons,tabs,andgalleries.

a.ribbon

3.Thisapplicationcanbeusedtoanalyzesalestrendsandalsoevaluateandgraphstockmarkettrends.

g.spreadsheet

4.Afeatureofmostwordprocessorsthatenablesuserstoquicklyapplypredefinedformattingcharacteristicstotext.

i.styles

5.Aspecializedgraphicsprogramforeditingormodifyingdigitalphotographs.

e.imageeditor

6.Bitmapimagesarealsoreferredtoas_____images.

f.raster

7.Aprogramthatsetsuporstructuresadatabase.

b.DBMS

8.Illustrationprogramsareusedtocreateandedit_____images.

j.vector

9.Graphicsthattypicallyappearasblackandwhiteboxesthatautomaticallylinkmobiledevicestoavarietyofdifferentcontentincludinggames,text,videos,andwebsites.

c.QRcodes

10. Acollectionofseparateapplicationprogramsbundledtogetherandmadeavailableasagroup.

d.softwaresuite

Book

1.Toolbarstypicallyappearbelowthemenubarandincludesmallgraphicelementscalled_____.

a.buttons

2.Simplifiestheprocessofmakingaselectionfromalistofalternativesbygraphicallydisplayingtheeffectofalternativesbeforebeingselected.

d.galleries

3.Ageneralpurposeprogramthatcreatestext-baseddocuments.

j.wordprocessor

4.Programthatorganizes,analyzes,andgraphsnumericdata.

g.spreadsheet

5.Acollectionofrelateddata.

c.database

6.Alsoknownasaphotoeditor,thisspecializedgraphicsprogrameditsormodifiesdigitalphotographs.

e.imageeditor

7.TheoverallsitedesignforaWebsiteiscommonlyrepresentedinagraphicalsite____.

f.map

8.AWebsitethatprovidesaccesstospecificmobileappsisknownasanapp_____.

h.store

9.AtypeofsuitethatisstoredataserverontheInternetandisavailableanywhereyoucanaccesstheInternet.

b.cloud

10.Atypeofspecializedsuitethatincludesavarietyofprogramsdesignedtomakecomputingeasierandsafer.

i.utility

MultipleChoice

1.Theportionoftheapplicationthatallowsyoutocontrolandtointeractwiththeprogram.

dialogbox

gallery

userinterface

window

2.Thetypeofguithatusestabstoorganizegroupsofrelateditems.

character

gallery

ribbon

traditional

3.Thisapplicationsoftwareorganizes,analyzes,andgraphsnumericdata.

spreadsheet

wordprocessor

database

presentationgraphics

4.Acollectionofrelateddataequivalenttoanelectronicfilecabinet:

database

spreadsheet

wordprocessor

presentationgraphics

5.Theseprogramsallowyoutomixtextandgraphicstocreatepublicationsofprofessionalqualityfocusingonpagedesignandlayout.

imageeditors

presentationgraphics

workbooks

desktoppublishing

6.Thesereadersallowmobiledevicestousetheirdigitalcamerastoscanquickresponsecodes.

mobilereaders

camerascanners

RCscanners

QRcodereaders

7.AWebsitethatprovidesaccesstospecificmobileappsiscalleda<n>:

mobilestore

appstore

iPhoneapps

smartphonestore

8.Acollectionofseparateapplicationprogramsbundledtogetherandavailableasagroupisa:

integratedpackage

softwaresuite

appsuite

officeapps

9.Onedownsideofusinga_________isthatyouaredependentontheserverprovidingtheapplicationtobeavailablewheneveryouneedit.

cloudsuite

officesuite

utilityprogram

Windowsprogram

10.GoogleDocs,Zoho,andMicrosoftOfficeWebAppsareexamplesof:

basicapplications

cloudsuites

utilitysuites

specializedapplications

Book

1.Thistypeofsoftwareworkswithendusers,applicationsoftware,andcomputerhardwaretohandlethemajorityoftechnicaldetails.

application

generalpurpose

system

utility

2.Arectangularareathatcancontainadocument,program,ormessage.

dialogbox

form

frame

window

3.Programsthatcreatetext-baseddocuments.

DBMS

suites

spreadsheets

wordprocessors

4.Programsthatorganize,analyze,andgraphnumericdatasuchasbudgetsandfinancialreports.

DBMS

suites

spreadsheets

wordprocessors

5.Programsthatallowyoutomixtextandgraphicstocreatepublicationsofprofessionalquality.

database

desktoppublishing

presentation

productivity

6.Thetypeofimageconsistingofgeometricshapes.

bitmap

raster

ribbon

vector

7.Anonlinediaryorcommentary.

bitmap

blog

HTML

vector

8.Programsthatcombineavarietyofvisualobjectstocreateattractive,visuallyinterestingpresentations.

DBMS

presentationgraphics

spreadsheet

wordprocessor

9.Graphicsthattypicallyappearasblackandwhiteboxesthatautomaticallylinkmobiledevicestoavarietyofdifferentcontent.

QRCodes

bitmaps

rasterimages

vectors

10.Alsoknownasanonlinesuite.

cloud

integrated

office

utility

Chapter4

Matching

1.Programsthatallowparticularinputoroutputdevicestocommunicatewiththerestofthecomputersystem.

b.devicedrivers

2.Operatingsystemsallowuserstointeractwithapplicationprogramsandcomputerhardwarethroughauser___.

e.interface

3.Thistypeofinterfaceusesgraphicalelementssuchasiconsandwindows.

d.gui

4.Inaribbonguithesedividemenusintomajoractivityareas.

h.tabs

5.Whiletherearehundredsofdifferentoperatingsystems,thereareonlythreebasiccategories:network,stand-alone,and___.

c.embedded

6.ThemostrecentMacOSXversion.

g.MountainLion

7.OriginallydevelopedbyagraduatestudentattheUniversityofHelsinki,LinusTorvalds,thisoperatingsystemisapopularandpowerfulalternativetoWindows.

f.Linux

8.MobileoperatingsystemformanyofHewlett-Packard'ssmartphonesandtabletcomputers.

j.WebOS

9.UtilityprogramthatreducesthesizeoffilessotheyrequirelessstoragespaceandcanbesentmoreefficientlyovertheInternet.

i.filecompression

10.Wizardthatprovidesstep-by-stepguidanceforselectinghardwaredriversandinstallingdrivers.

a.addadevice

Book

1.Programsthatperformspecifictasksrelatedtomanagingcomputerresources.

h.utilities

2.Restartingarunningcomputerwithoutturningoffthepower.

j.warmboot

3.Typeofoperatingsystemthatcontrolsandcoordinatesnetworkedcomputers.

f.NOS

4.Anoperatingsystemisoftenreferredtoasthesoftwareenvironmentor___.

g.platform

5.OSXLionfeaturetodisplayandprovidedirectaccesstoapplications.

e.Launchpad

6.Atypeofsoftwarethatallowsasinglephysicalcomputertooperateasthoughitweretwoormoreseparateandindependentcomputers.

i.virtualization

7.MobileoperatingsystemthatthatisownedbyGoogleandisoneofthefastest-growingmobileoperatingsystems.

a.Android

8.Typeofprogramthatguardscomputersystemsfromvirusesandotherdamagingprograms.

b.antivirus

9.Ifafilecannotbesavedonasingletrack,ithastobe____.

d.fragmented

10.Programthatworkswiththeoperatingsystemtoallowcommunicationbetweenadeviceandtherestofacomputersystemiscalledadevice____.

c.driver

Matching

1.Thissystemsoftwarecoordinatescomputerresources,providesauserinterface,andrunsapplications.

devicedriver

operatingsystem

translator

utility

2.Startingorrestartingacomputeriscalled:

booting

aligning

initializing

startup

3.Typeofoperatingsystemusedforhandhelddevicessuchassmartphones,cableandsatellitetelevisiontunerboxes,videogamesystems,andothersmallelectronics.

cell

embedded

network

stand-alone

4.Theoperatingsystemisoftenreferredtoasthesoftwareenvironmentorthesoftware:

desktop

server

platform

window

5.Anapproachinwhichasinglephysicalcomputercansupportmultipleoperatingsystemsthatoperateindependently.

simulation

hosting

multitasking

virtualization

6.Anoperatingsystemreleasedin2012withauserinterfaceverysimilartotheinterfaceusedwithtabletsandsmartphoneswithfunctionalitysimilartoWindows8.

OSXMountainLion

OSXLion

Linux

Chrome

7.Anapproachthatallowsasinglecomputertorunmultipleoperatingsystemsatthesametime.

multitasking

virtualization

V.R.

Windows

8.DevelopedbyApple,basedonMacOSandisusedastheplatformfortheiPhone,iPodtouch,andiPad.

iOS

BlackberryOS

Android

WindowsPhone8

9.AWindowsutilityprogramthatlocatesandeliminatesunnecessaryfragmentsandrearrangesfilesandunuseddiskspacetooptimizeoperations.

Backup

DiskCleanup

DiskDefragmenter

Restore

10.Dangerousprogramsthatcanbe"caught"inavarietyofwaysincludingopeningattachmentsanddownloadingsoftwarefromtheInternet.

app

spam

utility

virus

Book

1.Whattypeofsoftwareworkswithusers,applicationsoftware,andcomputerhardwaretohandlethemajorityoftechnicaldetails?

application

desktop

Linux

system

2.Theprogramsthatconvertprogramminginstructionswrittenbyprogrammersintoalanguagethatcomputersunderstandandprocessarelanguage:

converters

linguists

managers

translators

3.Theabilitytoswitchbetweendifferentapplicationsstoredinmemoryiscalled:

diversion

multitasking

operationalinterference

programming

4.Graphicrepresentationsforaprogram,typeoffile,orfunction:

app

icon

image

software

5.Thisoperatingsystemfeatureiscontrolledbyamouseandchangesshapedependingonitscurrentfunction.

dialogbox

menu

mouse

pointer

6.TheoperatingsystembasedonLinux,designedforNetbookcomputers,andfocusedonInternetconnectivitythroughcloudcomputing:

Chrome

Mac

Unix

Windows

7.ThemobileoperatingsystemdevelopedbyAppleandoriginallycallediPhoneOS:

Android

BlackBerryOS

iOS

MacOS

8.Autilityprogramthatmakescopiesoffilestobeusedincasetheoriginalsarelostordamaged:

BackupandRestore

DiskCleanup

DiskDefragmenter

Compactor

9.Atroubleshootingutilitythatidentifiesandeliminatesnonessentialfiles,freesupvaluablediskspace,andimprovessystemperformance:

BackupandRestore

DiskCleanup

DiskDefragmenter

Compactor

10.WindowsmakesiteasytoupdatedriverswithWindows:

Backup

Restore

Driver

Update

Chapter5

Matching

1.Anothernameforanotebookcomputer.

e.laptop

2.Thesmallestcomputersystemunit.

d.handheld

3.Themostwidelyusedcharacterencodingstandardthatisrecognizedbyvirtuallyeverycomputersystem.

j.Unicode

4.TheALUperformstwotypesofoperations:arithmeticand___.

f.logical

5.Atypeofchipthatallowsasinglecomputertoruntwoormoreoperationsatthesametime.

h.multicore

6.AdditionalRAMcanbeaddedtoacomputersystembyinsertinganexpansionmodulecalled___.

b.DIMM

7.Typeofslotonthesystemboardthatallowsuserstoexpandtheirsystems.

c.expansion

8.ThreetypesofexpansionbusesareUSB,Firewire,and___.

i.PCIe

9.CommonlyusedspecializedportsareSATA,HDMI,MiniDP,S/PDIFand___.

g.MIDI

10.ThisadapterplugsintoastandardwalloutlettoconvertACtoDC.

a.AC

Book

1.AtypeofmultiprocessorchipthatprovidestwoormoreseparateandindependentCPUs.

c.multicore

2.Atypeofmemorythatisvolatileorlosesitscontentswhenpoweristurnedoff.

e.randomaccess

3.Systemboardcomponentthatprovidesaconnectionpointforspecializedcardsorcircuitboards.

g.slots

4.Plasticcardsthesizeofaregularcreditcardthathaveanembeddedspecialtychip.

h.smartcards

5.Atypeofmemorythatimprovesprocessingbyactingasatemporaryhigh-speedholdingareabetweenthememoryandtheCPU.

a.cache

6.AtypeofmemorythatprovidesacombinationoffeaturesofRAMandROM.

b.flash

7.Agenerictermthatisassociatedwiththeabilitytoattachanydeviceontoacomputerandhaveitplayorworkimmediately.

d.PlugandPlay

8.ThisbusconnectstheCPUtomemoryonthesystemboard.

i.system

9.ThisportcanbeusedtoconnectmanyUSBdevicestothesystem..

j.USB

10.ThisunitplugsintoastandardwalloutletandconvertsACtoDC.

f.slate

MultipleChoice

1.Thistypeofsystemunitisdesignedtobeplacedeitherhorizontallyorvertically.

desktop

notebook

smartphone

tabletpc

2.Thebinarysystemconsistsofonlytwodigits:0or1,calleda:

bit

byte

character

number

3.Thiscontrolscommunicationsfortheentirecomputersystemwitheverycomponentwithinthesystemunitconnectingtoit.

powersupply

memory

expansionslot

motherboard

4.Chipsaremountedoncarrier:

chips

circuits

packages

processors

5.ThenumberoftimestheCPUcanfetchandprocessdataorinstructionsinonesecondisknownasits:

bus

clockspeed

cyclerate

frequencyrate

6.Thesechipsholdtheprogram<sequenceofinstructions>anddatathattheCPUispresentlyprocessing.

card

Flash

RAM

ROM

7.Thesechipshaveinformationstoredinthemthatcannotbechangedbytheuser.

card

Flash

RAM

ROM

8.Theexpansioncardthatisusedtoconnectacomputertoanetwork.

converter

Networkinterface

modem

LAN

9.Thenumberofbitsthatcantravelsimultaneouslydownabusisknownasthe:

buswidth

bytepath

digitalwidth

slatedistance

10.Asocketforexternaldevicestoconnecttothesystemunit.

chip

dock

port

slot

aadcb

cdbac

Book

1.Thiscontainerhousesmostoftheelectricalcomponentsforacomputersystem.

carrierpackage

systemboard

systemunit

Unicode

2.Atypeofnotebook,thiscomputerspecializesinon-the-goWebbrowsingandaccess.

chassis

desktop

mediacenter

netbook

3.Themainboardormotherboardisalsoknownasthe:

computer

boardprocessor

mobilesystem

systemboard

4.Howmanybytescana32-bit-wordcomputeraccessatonetime?

1

4

8

16

5.Inamicrocomputersystem,thecentralprocessingunitiscontainedonasingle:

bus

chip

module

RAM

6.Thistypeofmemorydivideslargeprogramsintopartsandstoresthepartsonasecondarystoragedevice.

direct

expanded

random-access

virtual

7.AlsoknownasNIC,thisadaptercardisusedtoconnectacomputertoa:

AIA

expansion

graphics

network

8.ThisprovidesapathwaytoconnectpartsoftheCPUtoeachother.

bus

PlugandPlay

wired

wireless

9.Thespecializedportthatprovidesveryhigh-speedconnectionsforlargesecondarystoragedevices.

eSATA

HDMI

MIDI

MiniDP

10.Computerscanonlyrecognizethistypeofelectronicsignal.

analog

bus

digital

maximum

cddbb

ddaac

Chapter6

Matching

1.Typeofkeyboardthatdisplaysanimageofakeyboardonatouchscreendevice.

h.virtual

2.Atypeofmousethatisbattery-poweredanddoesnotuseamousecord.

j.wireless

3.TypeofscreenwidelyusedwithtabletPCs,netbooks,andsmartphones.

g.touch

4.Acceptsdocumentsconsistingoftextand/orimagesandconvertsthemtomachine-readableform.

c.OCR

5.Inputdevicethatusesspecialpreprintedcharactersthatcanbereadbyalightsourceandchanged