微机原理及应用双语知到章节答案智慧树2023年山东科技大学

微机原理及应用(双语）知到章节测试答案智慧树2023年最新山东科技大学第一章测试

WhatkindofdevicedoestheMCS-51microcontrollerbelongto?()

参考答案:

8-bitdevice

TheoperationoftakinganumberfrommemoryintotheCPUiscalled().

参考答案:

READ

The8951microcontrollercontains（）

参考答案:

EEPROM

Whatisthehighestaddressinamemorysystemwith16datalines?（）

参考答案:

65535

Whatarethebasicactionsthatamicroprocessorcancarryout?

参考答案:

Taking

anumberfrommemory(READ);Arithmeticoperations;

Putting

anumberintomemory(WRITE);Making

decisionsabouttheprogramroute(jumpsandsubroutinecalls);Logicaloperations(bitmanipulation)

第二章测试

IninternalRAM,onlyoneofthefourregisterbanksisinusedatanytimewhentheprogramisrunning.（）

参考答案:

对

Whenusinganexternalcrystalforthe8051clock,whatvaluesofcapacitorsshouldbeconnectedtoit?（）

参考答案:

30pF

Onthe8051whatisthestoragesize(inbits)ofaccumulatorA?()

参考答案:

8bit

Whichporthasalternatefunctionpins?

()

参考答案:

Port3

Whichtypeofmemoryorganization

isusedbytheMCS-51microcontrollers?

参考答案:

Harvard

第三章测试

WhatisthejumprangeofinstructionLJMP?（）

参考答案:

64KB

WhatistheaddressingmodeofthesecondoperandintheinstructionMOVXA,@DPTR?（）

参考答案:

Indirect

IfMOV(direct)isusedforaddress87hwhichtypeofmemoryisaccessed?（）

参考答案:

SFRs

TheStackPointerwillbedecrementedwhenaPUSHoperationismade?()

参考答案:

错

WhichinstructionwillclearthelownibbleofAifA=C5h?

参考答案:

ANLA,

#0F0h

第四章测试

WhatisthejumprangeofinstructionCJNEorDJNZ?（）

参考答案:

256B

Whatistheaddressofthesecondoperandintheinstruction：MOVCA,@A+DPTR?

AssumeDPTR=1000h,A=80h.（）

参考答案:

1080h

Whichprogrammingtypesdoestheassemblylanguagebelongto?（）

参考答案:

Linear

Whatarethebasciprogramsturctureinassemblylanguage?()

参考答案:

Subroutinestructure

;Branchingstructure

;Sequentialstructure

;Loopstructure

WhichPseudo-instructioncanputbytesinROMmemory?()

参考答案:

DB

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第五章测试

Howmanyinterruptsourcesaretherein8051?（）

参考答案:

5

TheEAbitinIEregisterdoesnotactuallyenableallinterrupts,butallowsthemtobeenabledseparately.（）

参考答案:

对

For8051,eachinterruptcausestheprogramtojumpdirectlytoanaddressatwhichanISRislocated.（）

参考答案:

对

InanISR(InterruptServiceRoutine),whichofthefollowinginstructionsmustbeincluded?（）

参考答案:

Returnfrominterruptinstruction

Howmanyinterruptsareenabledafterrunningthisinstruction“MOVIE,#05h”?

参考答案:

0

第六章测试

Fortimers,whichmodeproducesan8-bitauto-reloadtimer?（）

参考答案:

Mode2

WhichregistercanweusetosetupthemodeofoperationofTimer0?（）

参考答案:

TCON

Fortheserialport,whichmodeisan8-bitUART?（）

参考答案:

Mode1

WhereistheparitybitinanRS232packet?（）

参考答案:

Afterdatabits

Howmanymodescanweuseinatimer/counter?

参考答案:

4

第七章测试

Namethethreetypesofbuswhichareusedwhenexternalmemoryisconnectedtothe8051.

()

参考答案:

Addressbus

;Controlbus

;Databus

WhenusingexternalRAM,whichportisusedforthelowaddressbyte?（）

参考答案:

Port0

Ifweneedtoexpandan8031byadding32KbytesofcodememoryEPROM,howmanyaddresslinesshouldbeconnectedbetweenthe8031andtheEPROM?（）

参考答案:

15

Ifan8031chipisconnectedtoanexternalEPROM,WhichlinecangenerateasignaltoenablereadingofdatafromtheEPROM?（）

参考答案:

/PSEN

IftheprogramisstoredentirelyinanexternalEPROM,whatvoltagemustbeappliedtothe/EAPINonthe8051?（）

参考答案:

0volts

第八章测试

Thereare8analoginputchannelsthatbeconnectedtotheADC0809.（）

参考答案:

对

HowmanybitsarerequiredtoselectwhichanalogchannelisactiveontheADC0809?（）

参考答案:

3

InordertousetheDAC0832,anexternaloperationalamplifiermustbeconnected.（）

参考答案:

对

Howmanyportpinswouldbeusedtoconnecta6*4matrixkeypadtoan8051(excludingtheinterruptinput)?（）

参考答案:

10

Whatarethecommonformsthattheinternalwiringofthe7-segmentdisplaycantake?(）

参考答案:

Commonanode;Commoncathode

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第九章测试

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

参考答案:

对

Thelowestleveloferrorscomprisesthosethatresultfromincorrectuseoftheassemblylanguage,andtheseareknownassyntaxerrors.（）

参考答案:

对

Whicherrorsbelongtosyntaxerrorofassemblylanguage?

()

参考答案:

Symbolnotdefine

;Wrongrepresentationofnumbers

;Misspellingofinstructions

;Incorrectaddressingmodes

Thebasi