计算机专业英语Chapter007Word格式.docx

计算机专业英语Chapter007Word格式.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