计算机专业英语Chapter007Word文档下载推荐.docx
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计算机专业英语Chapter007Word文档下载推荐.docx
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headcrash
cylindercrash
trackcrash
sectorcrash
5.
Whichofthefollowingisnotanexampleofsecondarystorage?
Externalharddrives
RAID
RAM
Flashdrives
6.
Anexternalharddisk:
isheavy.
ishardtoremove.
cannotbeusedinadditiontoaninternalharddisk.
usuallyconnectstoaUSBorFireWireport.
7.
Storagethatretainsitsdataafterthepoweristurnedoffisreferredtoas:
volatilestorage.
sequentialstorage.
directstorage.
nonvolatilestorage.
8.
Theprocessofaccessinginformationfromsecondarystoragedevicesisreferredtoas:
backingup.
restoring.
writing.
reading.
9.
The____ofasecondarystoragedeviceindicateshowmuchdatathestoragemediumcanhold.
access
capacity
memory
storage
10.
Whichofthefollowingmeasurestheamountoftimerequiredbythestoragedevicetoretrievedataandprograms?
Nonvolatilemedia
Capacity
Accessspeed
11.
Onewaytoimprovethestoragecapacityofaharddiskisto:
formatoften.
usefilecompression.
increasememory.
usediskcaching.
12.
Thisprocessimprovessystemperformancebyactingasatemporaryhigh-speedholdingareabetweenasecondarystoragedeviceandtheCPU.
Datacompression
Dataaccess
Diskcaching
13.
WhichofthefollowingcharacteristicsaboutRAIDisincorrect?
expandedstoragecapability
fastaccessspeed
highlyreliable
onehigh-capacityharddiskdrive
14.
Threewaystoimprovetheperformanceofaharddiskinclude:
diskcaching,RAID,andfileexpansion.
filecompression,diskcaching,andfileencryption.
diskcaching,RAID,andfilecompression.
RAID,filecompressionanddiskexpansion.
15.
Whichoftheseisnotanexampleofsolidstatestorage?
Digitalversatiledisc
SSDs
Flashmemorycards
USBdrives
16.
Smartphonesusewhichofthesestoragetechnologies?
Opticaldrive
Solidstatedrive
Flashmemorycard
Flashdrive
17.
Opticaldiscsusethesetorepresentdata.
Analogsignals
Magneticcharges
Pitsandlands
Laserbeams
18.
ACD-RWdisc:
canbewrittentoonlyonce.
canbeerasedandrewritten.
cannotbewrittenon.
cannotbeerased.
19.
AllofthefollowingaretrueofDVD-ROMdrivesexcept:
Theyarealsoknownaserasableopticaldiscs.
Theycanprovideovertwohoursofhigh-qualityvideoandsoundcomparabletothatfoundinmotionpicturetheatres.
Theyareatypeofopticaldisc.
DVD-ROMstandsfor"
digitalversatiledisc–readonlymemory"
.
20.
Thestandardforhighdefinitionopticaldiscsis:
DVD-RAM
HDDVD
Blu-ray
HDCD
21.
Thesediscshaveacapacityof50gigabytesononeside.
CD
DVD
Blu-Ray
22.
Solid-statestoragedevicesaredifferentthanharddisksinthatthey:
havenomovingparts.
haveahighercapacity.
havegreateraccessspeed.
arevolatile.
23.
WhatisitcalledwhenserversontheInternetsupplyapplicationsasaservice,ratherthanaproduct?
Digitalversatilecomputing
Servicecomputing
Cloudcomputing
Opticalcomputing
24.
ThisallowsyoutouploadandstoredocumentsontheInternet.
Cloudstorage
SolidStatestorage
HardDiskdrive
25.
Whichoftheseisnotamassstoragedevice?
RAIDsystem
Fileserver
Opticaldisc
Organizationalcloudstorage
True/FalseQuestions
26.
Mediaaretheactualphysicalmaterialthatholdsthedataandprograms.
True
False
27.
Theprocessofsavinginformationtoasecondarystoragedeviceisreferredtoasembedding.
28.
Secondarystorageprovidestemporaryorvolatilestorage.
29.
Harddisksusetracks,sectors,andcylinderstostoreandorganizefiles.
30.
Asmokeparticle,fingerprint,dust,orhumanhaircouldcauseaharddiskheadcrash.
31.
Ahardcrashtypicallyoccursonanopticaldiskwhenitmakescontactwithparticlesonitssurface.
32.
Externalharddrivesareusedprimarilytocomplementaninternalharddisk.
33.
Externalharddisksusedifferenttechnologythaninternalharddisks.
34.
Diskcachingimproveshard-diskperformancebycompressingfiles.
35.
Diskcachingusesacombinationofhardwareandsoftware.
36.
RAIDconnectsseveralinexpensivehard-diskdrivestooneanother.
37.
Filecompressionisonlyavailableonharddiskdrives.
38.
CD-ROMsareoftenusedtoarchivedataandtorecordmusicdownloadedfromtheInternet.
39.
DVDshavereplacedCDsasthestandardopticaldisc.
40.
Blu-rayDiscsarethehighdefinitionstandardandhaveafargreatercapacitythanDVDs.
41.
Facebookisanexampleofcloudstorage.
42.
IfyouhaveusedGoogleDocstocreateawordprocessingdocument,youhaveusedcloudcomputing.
43.
Inordertoaccessyourdocumentsandfilesthatarestoredinthecloud,youmusthaveanInternetconnection.
44.
Massstoragedevicesarespecializedhigh-capacitysecondarystoragedevicesdesignedtostorelargeamountsofdataforanorganization.
45.
Fileserversareappropriatedevicestouseinanenterprisestoragesystem.
FillintheBlankQuestions
46.
_____speedisthemeasureoftheamountoftimerequiredbyastoragedevicetoretrievedataandprograms.
________________________________________
47.
Tracksaredividedintoinvisiblewedge-shapedsectionscalled_____.
48.
Disk_____improveshard-diskperformancebyanticipatingdataneedsandreducingtimetoaccessdatafromsecondarystorage.
49.
A(n)_____harddiskistypicallyconnectedtoaUSBorFireWireport.
50.
A_____occurswhenaread/writeheadmakescontactwiththeharddisk'
ssurfaceorwithparticlesonitssurface.
51.
File_____programsscanfilesforwaystoreducetheamountofrequiredstorage.
52.
File_____expandscompressedfiles.
53.
Duetoitsexpandedstoragecapability,fastaccessspeed,andhighreliability,_____isoftenusedbyInternetserversandlargeorganizations.
54.
USBdrivesarealsoknownas_____drives.
55.
_____memorycardsareaformofasolid-statestoragedevicewidelyusedinsmartphones,digitalmediaplayersandGPSnavigationsystems.
56.
CD-ROMisanexampleofa(n)_____typeofstoragemedium.
57.
DVD+RandDVD-RbothstandforDVD_____.
58.
Typicallyamicrocomputerusesan_____harddisktostoretheoperatingsystemandsoftwareapplications.
59.
DVDstandsfordigitalversatilediscordigital_____disc.
60.
Thehi-defstandardforopticaldiscsisthe_____Disc.
61.
Threecommonstorageoptionsdiscussedinyourtextareharddisk,_____,andsolid-statestorage.
62.
With_____,oronlinestorage,youcanaccessyourfilesfromanycomputerwithanInternetconnection.
63.
Agoodwaytosharefileswithothersistousea________,oronline,storageservice.
64.
Mostlargeorganizationsstoredatathroughastrategycalleda(n)_____topromoteefficientandsafeuseofdataacrossthenetworkswithintheirorganizations.
EssayQuestions
65.
Discusstheimportanceandusesofsecondarystoragedevices.
66.
Listandexplainsomeoftheimportantcharacteristicsofsecondarystorage.
67.
Whatcausesaheadcrashtooccur?
68.
DescribeaRAID.
69.
Whatissolid-statestorage?
Giveexamples.
70.
BrieflydiscussthedifferencesbetweenCD,DVD,andBlu-raydiscs.
71.
Describehowfilecompressionworks.Explaintheadvantagesoffilecompression.
72.
Describesomeoftheadvantagesanddisadvantagesofusingcloudcomputingandcloudstorage.
73.
Describesomeofthemassstoragedevicesthatsupportanenterprisestoragesystem.
74.
Whatisastorageareanetwork?
(p.
189)
Harddisksstoreandorgan
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