计算机专业英语Chapter007.docx
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计算机专业英语Chapter007
MultipleChoiceQuestions
1. Harddisksstoreandorganizefilesusingallthefollowing,except:
A. tracks
B. sectors
C. cylinders
D. paths
2. Whichofthefollowingistrueaboutaninternalharddisk?
A. Variableamountofstorage
B. Fixedamountofstorage
C. Portable
D. Slow
3. Onaharddiskeachtrackisdividedintoinvisiblewedge-shapedsectionscalled:
A. bits
B. platters
C. cylinders
D. sectors
4. Theharddisk'sdisksurfaceisscratchedandsomeorallofthedataisdestroyedwhenthereisa:
A. headcrash
B. cylindercrash
C. trackcrash
D. sectorcrash
5. Whichofthefollowingisnotanexampleofsecondarystorage?
A. Externalharddrives
B. RAID
C. RAM
D. Flashdrives
6. Anexternalharddisk:
A. isheavy.
B. ishardtoremove.
C. cannotbeusedinadditiontoaninternalharddisk.
D. usuallyconnectstoaUSBorFireWireport.
7. Storagethatretainsitsdataafterthepoweristurnedoffisreferredtoas:
A. volatilestorage.
B. sequentialstorage.
C. directstorage.
D. nonvolatilestorage.
8. Theprocessofaccessinginformationfromsecondarystoragedevicesisreferredtoas:
A. backingup.
B. restoring.
C. writing.
D. reading.
9. The____ofasecondarystoragedeviceindicateshowmuchdatathestoragemediumcanhold.
A. access
B. capacity
C. memory
D. storage
10. Whichofthefollowingmeasurestheamountoftimerequiredbythestoragedevicetoretrievedataandprograms?
A. Nonvolatilemedia
B. Capacity
C. Accessspeed
D. RAM
11. Onewaytoimprovethestoragecapacityofaharddiskisto:
A. formatoften.
B. usefilecompression.
C. increasememory.
D. usediskcaching.
12. Thisprocessimprovessystemperformancebyactingasatemporaryhigh-speedholdingareabetweenasecondarystoragedeviceandtheCPU.
A. Datacompression
B. Dataaccess
C. Diskcaching
D. RAID
13. WhichofthefollowingcharacteristicsaboutRAIDisincorrect?
A. expandedstoragecapability
B. fastaccessspeed
C. highlyreliable
D. onehigh-capacityharddiskdrive
14. Threewaystoimprovetheperformanceofaharddiskinclude:
A. diskcaching,RAID,andfileexpansion.
B. filecompression,diskcaching,andfileencryption.
C. diskcaching,RAID,andfilecompression.
D. RAID,filecompressionanddiskexpansion.
15. Whichoftheseisnotanexampleofsolidstatestorage?
A. Digitalversatiledisc
B. SSDs
C. Flashmemorycards
D. USBdrives
16. Smartphonesusewhichofthesestoragetechnologies?
A. Opticaldrive
B. Solidstatedrive
C. Flashmemorycard
D. Flashdrive
17. Opticaldiscsusethesetorepresentdata.
A. Analogsignals
B. Magneticcharges
C. Pitsandlands
D. Laserbeams
18. ACD-RWdisc:
A. canbewrittentoonlyonce.
B. canbeerasedandrewritten.
C. cannotbewrittenon.
D. cannotbeerased.
19. AllofthefollowingaretrueofDVD-ROMdrivesexcept:
A. Theyarealsoknownaserasableopticaldiscs.
B. Theycanprovideovertwohoursofhigh-qualityvideoandsoundcomparabletothatfoundinmotionpicturetheatres.
C. Theyareatypeofopticaldisc.
D. DVD-ROMstandsfor"digitalversatiledisc–readonlymemory".
20. Thestandardforhighdefinitionopticaldiscsis:
A. DVD-RAM
B. HDDVD
C. Blu-ray
D. HDCD
21. Thesediscshaveacapacityof50gigabytesononeside.
A. HDDVD
B. CD
C. DVD
D. Blu-Ray
22. Solid-statestoragedevicesaredifferentthanharddisksinthatthey:
A. havenomovingparts.
B. haveahighercapacity.
C. havegreateraccessspeed.
D. arevolatile.
23. WhatisitcalledwhenserversontheInternetsupplyapplicationsasaservice,ratherthanaproduct?
A. Digitalversatilecomputing
B. Servicecomputing
C. Cloudcomputing
D. Opticalcomputing
24. ThisallowsyoutouploadandstoredocumentsontheInternet.
A. Cloudstorage
B. Flashdrive
C. SolidStatestorage
D. HardDiskdrive
25. Whichoftheseisnotamassstoragedevice?
A. RAIDsystem
B. Fileserver
C. Opticaldisc
D. Organizationalcloudstorage
True/FalseQuestions
26. Mediaaretheactualphysicalmaterialthatholdsthedataandprograms.
True False
27. Theprocessofsavinginformationtoasecondarystoragedeviceisreferredtoasembedding.
True False
28. Secondarystorageprovidestemporaryorvolatilestorage.
True False
29. Harddisksusetracks,sectors,andcylinderstostoreandorganizefiles.
True False
30. Asmokeparticle,fingerprint,dust,orhumanhaircouldcauseaharddiskheadcrash.
True False
31. Ahardcrashtypicallyoccursonanopticaldiskwhenitmakescontactwithparticlesonitssurface.
True False
32. Externalharddrivesareusedprimarilytocomplementaninternalharddisk.
True False
33. Externalharddisksusedifferenttechnologythaninternalharddisks.
True False
34. Diskcachingimproveshard-diskperformancebycompressingfiles.
True False
35. Diskcachingusesacombinationofhardwareandsoftware.
True False
36. RAIDconnectsseveralinexpensivehard-diskdrivestooneanother.
True False
37. Filecompressionisonlyavailableonharddiskdrives.
True False
38. CD-ROMsareoftenusedtoarchivedataandtorecordmusicdownloadedfromtheInternet.
True False
39. DVDshavereplacedCDsasthestandardopticaldisc.
True False
40. Blu-rayDiscsarethehighdefinitionstandardandhaveafargreatercapacitythanDVDs.
True False
41. Facebookisanexampleofcloudstorage.
True False
42. IfyouhaveusedGoogleDocstocreateawordprocessingdocument,youhaveusedcloudcomputing.
True False
43. Inordertoaccessyourdocumentsandfilesthatarestoredinthecloud,youmusthaveanInternetconnection.
True False
44. Massstoragedevicesarespecializedhigh-capacitysecondarystoragedevicesdesignedtostorelargeamountsofdataforanorganization.
True False
45. Fileserversareappropriatedevicestouseinanenterprisestoragesystem.
True False
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?
MultipleChoiceQuestions
1. (p. 189) Harddisksstoreandorganize