计算机专业英语Chapter005Word格式文档下载.docx

计算机专业英语Chapter005Word格式文档下载.docx

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4. 

Whichofthefollowingisnotacharacterencodingstandard?

EBCDIC

ASCII

CISC

Unicode

5. 

Thischaracterencodingschemeallowsnon-Englishcharactersandspecialcharacterstoberepresented. 

ANSIC

6. 

Thesystemboardisalsoknownasthe:

expansionslot

motherboard

expansioncard

bus

7. 

Onthemotherboard,theconnectionpointsforchipsarereferredtoas:

slots

sockets

ports

lines

8. 

Tinycircuit-boardsetchedontosquaresofsand-likematerialcalledsiliconarecalled:

buses

chips

9. 

Integratedcircuitsmustbemountedon_____whicharethenpluggedintothemotherboard. 

pins

carrierpackages

10. 

Whichofthefollowingisafunctionofthecontrolunit?

Itprovidespathwaysthatsupportcommunicationamongthevariouselectroniccomponents.

ItdirectsthecontrolsignalsbetweentheCPUandinputandoutputdevices.

Itperformsfundamentalmathoperationslikeaddition,subtraction,etc.

Itusesthelogictocomparetwopiecesofdata.

11. 

Pathwaysthatsupportcommunicationamongthevariouselectroniccomponentsonthesystemboardarecalled:

buslines

networklines

logicpaths

gateways

12. 

Inamicrocomputersystem,theCPUiscontainedonasinglechipcalledthe:

semiconductor

ALU

microprocessor

ControlUnit

13. 

ThistermisusedtodescribethenumberofbitsthataCPUcanaccessatonetime. 

Bitrate

Word

Pulsewidth

Character

14. 

A32-bitwordcomputercanaccess:

2bytesatatime

16bytesatatime

4bytesatatime

8bytesatatime

15. 

Theprocessingspeedofamicroprocessoristypicallyrepresentedbyits:

busline

controlunit

clockspeed

16. 

Whichofthefollowingallowsacomputertoruntwoormoreoperationssimultaneously?

Coprocessors

Multiplexing

Multicorechip

Binarysystem

17. 

Formulticoreprocessorstobeusedeffectively,computersmustunderstandhowtodividetasksintopartsthatcanbedistributedacrosseachcore-anoperationcalled:

arithmetic-logicprocessing

multiplexerprocessing

parallelprocessing

graphicscoprocessing

18. 

Thesespecialtyprocessorsaredesignedtoimprovespecificcomputingoperationssuchasdisplaying3-Dimagesandencryptingdata. 

Smartcards

CPUs

NICcards

19. 

Frequently-accessedinformationisheldin:

harddrive

cachememory

flashmemory

readonlymemory

20. 

Withthistypeofmemory,largeprogramsaredividedintopartsandthepartsarestoredonasecondarydevice,usuallyaharddisk. 

Flash

Cache

Virtual

Extended

21. 

WhichofthefollowingoffersacombinationofthefeaturesofRAMandROM?

DRAM

DDR

FlashMemory

CacheMemory

22. 

Allofthefollowingarecommonlyusedunitsofmeasurementtodescribememorycapacity,except:

Megabyte（MB）

Gigabyte（GB）

Terabyte（TB）

Nanobyte（NB）

23. 

Whenyourebootyoursystem,thecomputerfollowsstartupinstructionsstoredinthistypeofmemory. 

SDRAM

24. 

Mostmicrocomputersallowuserstoexpandtheirsystemsbyprovidingtheseonthesystemboard. 

Expansionslots

Ports

Soundcards

Networkcards

25. 

Whichofthefollowingcanbeusedtoconnectseveraldevicestothesystemunitandarewidelyusedtoconnectkeyboards,mice,printers,storagedevices,andavarietyofspecialtydevices?

USBport

SATA

Parallelport

Firewirebus

26. 

Thesetypesofportstypicallyprovideconnectionstospecializeddevicessuchascamcordersandstoragedevices. 

FireWire

Serial

Parallel

AGP

27. 

Whichofthefollowingportsisusedforconnectingmusicalinstrumentstoasoundcard?

MiniDP

S/PDIF

MIDI

eSATA

28. 

Whichofthefollowingportsprovidehigh-speedconnectionsforexternalharddiskdrives,opticaldisks,andotherlargesecondarystoragedevices?

HDMI

True/FalseQuestions

29. 

Thesystemunit,alsoknownasthesystemchassis,isacontainerthathousesmostoftheelectroniccomponentsthatmakeupacomputersystem. 

True 

False

30. 

ASCIIsupportsChineseandJapanese. 

31. 

TheALUtellstherestofthecomputersystemhowtocarryoutaprogram'

sinstructions. 

32. 

ThecontrolunitdirectsthemovementofelectronicsignalsbetweenthememoryandtheALU. 

33. 

64-bitprocessorscanaccess8bytesatatime. 

34. 

Parallelprocessingrequiresacomputertoperformonecompletetaskbeforebeginningthenexttask. 

35. 

RAMisconsideredtemporary,orvolatile,storage. 

36. 

VirtualmemoryisstoredonaRAMchip. 

37. 

Read-onlymemory（ROM）chipshaveinformationstoredinthembythemanufacturer. 

38. 

Graphicscardsconnectthesystemboardtosecondarystorage. 

39. 

PlugandPlayhasbecomeagenerictermthatisassociatedwiththeabilitytopluganydeviceintoacomputerandhaveitplayorworkimmediately. 

40. 

Thenumberofbitsthatcantravelsimultaneouslydownabusisknownasthewordsize. 

41. 

Abusisapathwayforbitsrepresentingdataandinstructions. 

42. 

VGAandDVIportsprovideconnectionstomonitors. 

43. 

USBportsareusedtoconnectkeyboards,mice,printers,storagedevices,andavarietyofspecialtydevices. 

44. 

Firewireportsareusedtoconnectkeyboards,mice,printers,andstoragedevices. 

45. 

eSATAportsprovidehigh-speedconnectionsforexternalharddiskdrives,opticaldisks,andotherlargesecondarystoragedevices. 

46. 

MiniDPportsareaudio-visualportstypicallyusedtoconnectlargemonitors. 

47. 

HDMIportsmakeitpossibletouseacomputerasavideojukeboxoranHDvideorecorder. 

FillintheBlankQuestions

48. 

The_____,alsoknownasthesystemchassis,isacontainerthathousesmostoftheelectroniccomponentsthatmakeupacomputersystem. 

________________________________________

49. 

_____areeffectivelyathinslabthatisallmonitorwiththesystemunitlocatedbehindthemonitor. 

50. 

Themostwidelyusedcharacterencodingstandardtodayis_____. 

51. 

The_____systemconsistsofonlytwodigits–0and1. 

52. 

Thesystemboardisalsoknownasthe_____. 

53. 

A_____isthenumberofbitsthatcanbeaccessedatonetimebytheCPU. 

54. 

_____operationsconsistofmakingcomparisons. 

55. 

A_____-bitwordcomputercanaccesseightbytesofinformationatatime. 

56. 

_____chipsallowasinglecomputertoruntwoormoreoperationsatthesametime. 

57. 

_____memoryimprovesprocessingbyactingasatemporaryhigh-speedholdingareabetweenthememoryandtheCPU. 

58. 

_____memoryusestheharddrivetosubstituteforRAM. 

59. 

Theprocessingspeedofamicroprocessoristypicallyrepresentedbyits_____speed. 

60. 

_____cardsacceptaudioinputfromamicrophoneandconvertitintoaformthatcanbeprocessedbythecomputer. 

61. 

_____networkcardsallowcomputerstobeconnectedwithoutcables. 

62. 

Networkinterfacecards（NIC）areconnectedthrough_____slotsonthemotherboard. 

63. 

_____busesconnecttheCPUtomemoryonthesystemboard. 

64. 

Thenumberofbitsthatcantravelsimultaneouslydownabusisknownasthebus_____. 

65. 

_____portsarethestandardhigh-speednetworkingportformanyoftoday'

scomputers. 

66. 

_____portsareaspecialtypeofportforconnectingmusicalinstrumentstoasoundcard. 

67. 

_____portsprovidehigh-speedconnectionsforexternaldiskdrives,opticaldisks,andotherlargesecondarystoragedevices. 

68. 

_____portsareusedtointegratecomputersintohigh-endaudiohometheatresystems. 

69. 

_____portsareanaudio-visualporttypicallyusedtoconnectlargemonitors. 

EssayQuestions

70. 

Describethefourtypesofsystemunits. 

71. 

Describethecharacterencodingscheme