微機原理及應(yīng)用雙語智慧樹知到課后章節(jié)答案2023年下山東科技大學(xué)

微機原理及應(yīng)用(雙語）智慧樹知到課后章節(jié)答案2023年下山東科技大學(xué)山東科技大學(xué)

第一章測試

WhatkindofdevicedoestheMCS-51microcontrollerbelongto?()

A:4-bitdevice

B:8-bitdevice

C:32-bitdevice

D:16-bitdevice

答案:8-bitdevice

TheoperationoftakinganumberfrommemoryintotheCPUiscalled().

A:WRITE

B:READ

C:EXECUTE

D:FIND

答案:READ

The8951microcontrollercontains（）

A:Nomemory

B:ROM

C:EEPROM

D:EPROM

答案:EEPROM

Whatisthehighestaddressinamemorysystemwith16datalines?（）

A:63357

B:65536

C:65534

D:65535

答案:65535

Whatarethebasicactionsthatamicroprocessorcancarryout?

A:Making

decisionsabouttheprogramroute(jumpsandsubroutinecalls)B:

Putting

anumberintomemory(WRITE)C:Logicaloperations(bitmanipulation)D:ArithmeticoperationsE:Taking

anumberfrommemory(READ)

答案:Making

decisionsabouttheprogramroute(jumpsandsubroutinecalls);

Putting

anumberintomemory(WRITE);Logicaloperations(bitmanipulation);Arithmeticoperations;Taking

anumberfrommemory(READ)

第二章測試

IninternalRAM,onlyoneofthefourregisterbanksisinusedatanytimewhentheprogramisrunning.（）

A:錯B:對

答案:對

Whenusinganexternalcrystalforthe8051clock,whatvaluesofcapacitorsshouldbeconnectedtoit?（）

A:30nF

B:3pF

C:300F

D:30pF

答案:30pF

Onthe8051whatisthestoragesize(inbits)ofaccumulatorA?()

A:12bit

B:16bitC:8bitD:32bit

答案:8bit

Whichporthasalternatefunctionpins?

()

A:Port2B:Port3

C:Port1D:Port0

答案:Port3

Whichtypeofmemoryorganization

isusedbytheMCS-51microcontrollers?

A:ShandongB:LondonC:VonNeumannD:Harvard

答案:Harvard

第三章測試

WhatisthejumprangeofinstructionLJMP?（）

A:64KB

B:256B

C:1KB

D:2KB

答案:64KB

WhatistheaddressingmodeofthesecondoperandintheinstructionMOVXA,@DPTR?（）

A:Direct

B:Indirect

C:Register

D:Immediate

答案:Indirect

IfMOV(direct)isusedforaddress87hwhichtypeofmemoryisaccessed?（）

A:ExternalRAM

B:InternalRAMC:SFRsD:RegisterA

答案:SFRs

TheStackPointerwillbedecrementedwhenaPUSHoperationismade?()

A:對B:錯

答案:錯

WhichinstructionwillclearthelownibbleofAifA=C5h?

A:SWAPAB:XRLA,

#0FFhC:ANLA,

#0F0hD:ORLA,

#0Fh

答案:ANLA,

#0F0h

第四章測試

WhatisthejumprangeofinstructionCJNEorDJNZ?（）

A:2KBB:64KBC:1KBD:256B

答案:256B

Whatistheaddressofthesecondoperandintheinstruction：MOVCA,@A+DPTR?

AssumeDPTR=1000h,A=80h.（）

A:8000h

B:1080hC:1000hD:80h

答案:1080h

Whichprogrammingtypesdoestheassemblylanguagebelongto?（）

A:Linear

B:Event-driven

C:Function-driven

D:Object-oriented

答案:Linear

Whatarethebasciprogramsturctureinassemblylanguage?()

A:Loopstructure

B:Sequentialstructure

C:Branchingstructure

D:Subroutinestructure

答案:Loopstructure

;Sequentialstructure

;Branchingstructure

;Subroutinestructure

WhichPseudo-instructioncanputbytesinROMmemory?()

A:DB

---------------------------------------------------------------------------------------------------------------------------------

B:EQUC:ORGD:BIT

答案:DB

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第五章測試

Howmanyinterruptsourcesaretherein8051?（）

A:4B:2C:3D:5

答案:5

TheEAbitinIEregisterdoesnotactuallyenableallinterrupts,butallowsthemtobeenabledseparately.（）

A:錯B:對

答案:對

For8051,eachinterruptcausestheprogramtojumpdirectlytoanaddressatwhichanISRislocated.（）

A:錯B:對

答案:對

InanISR(InterruptServiceRoutine),whichofthefollowinginstructionsmustbeincluded?（）

A:Jumpandcallinstructions

B:MovedatainstructionC:Returnfrominterruptinstruction

D:ADDinstruction

答案:Returnfrominterruptinstruction

Howmanyinterruptsareenabledafterrunningthisinstruction“MOVIE,#05h”?

A:2

B:3

C:0

D:1

答案:0

第六章測試

Fortimers,whichmodeproducesan8-bitauto-reloadtimer?（）

A:Mode3

B:Mode2C:Mode0D:Mode1

答案:Mode2

WhichregistercanweusetosetupthemodeofoperationofTimer0?（）

A:TR0B:ET0

C:TCOND:TMOD

答案:TCON

Fortheserialport,whichmodeisan8-bitUART?（）

A:Mode3

B:Mode1C:Mode0D:Mode2

答案:Mode1

WhereistheparitybitinanRS232packet?（）

A:AfterstartbitB:BeforedatabitsC:Afterstopbits

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D:Afterdatabits

答案:Afterdatabits

Howmanymodescanweuseinatimer/counter?

A:4

B:2

C:1

D:3

答案:4

第七章測試

Namethethreetypesofbuswhichareusedwhenexternalmemoryisconnectedtothe8051.

()

A:Addressbus

B:Controlbus

C:Enablebus

D:Databus

答案:Addressbus

;Controlbus

;Databus

WhenusingexternalRAM,whichportisusedforthelowaddressbyte?（）

A:Port0B:Port1C:Port2D:Port3

答案:Port0

Ifweneedtoexpandan8031byadding32KbytesofcodememoryEPROM,howmanyaddresslinesshouldbeconnectedbetweenthe8031andtheEPROM?（）

A:15B:16

C:14D:13

答案:15

Ifan8031chipisconnectedtoanexternalEPROM,WhichlinecangenerateasignaltoenablereadingofdatafromtheEPROM?（）

A:/RD

B:/EAC:/WRD:/PSEN

答案:/PSEN

IftheprogramisstoredentirelyinanexternalEPROM,whatvoltagemustbeappliedtothe/EAPINonthe8051?（）

A:+5voltsB:0voltsC:+10volts

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D:-10volts

答案:0volts

第八章測試

Thereare8analoginputchannelsthatbeconnectedtotheADC0809.（）

A:對B:錯

答案:對

HowmanybitsarerequiredtoselectwhichanalogchannelisactiveontheADC0809?（）

A:3B:2C:4D:8

答案:3

InordertousetheDAC0832,anexternaloperationalamplifiermustbeconnected.（）

A:對B:錯

答案:對

Howmanyportpinswouldbeusedtoconnecta6*4matrixkeypadtoan8051(excludingtheinterruptinput)?（）

A:6B:24

C:4D:10

答案:10

Whatarethecommonformsthattheinternalwiringofthe7-segmentdisplaycantake?(）

A:Commoncathode

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B:DynamicdisplayC:CommonanodeD:Staticdisplay

答案:Commoncathode

---------------------------------------------------------------------------------------------------------------------------------

;Commonanode

第九章測試

Inalmostallcases,exceptcompletelytrivialinstances,thedesignofamicrocontroller-basedsystemmustbeatop-downactivity.Thismeansthatonemustlookfirstatthebroadpictureandthenrefineitdowntosystemsandsub-systemsinbothhardwareandsoftware.（）

A:錯B:對

答案:對

Thelow