Dab tsi yog txheej txheem tswj thaiv nrog daim duab?
Dab tsi yog txheej txheem tswj thaiv nrog daim duab?

Video: Dab tsi yog txheej txheem tswj thaiv nrog daim duab?

Video: Dab tsi yog txheej txheem tswj thaiv nrog daim duab?
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Txheej Txheem Tswj Thaiv yog ib tug qauv ntaub ntawv uas muaj cov ntaub ntawv ntawm lub txheej txheem ntsig txog nws. Cov txheej txheem tswj thaiv tseem hu ua ib txoj hauj lwm tswj thaiv , nkag ntawm txheej txheem rooj, thiab lwm yam Nws tseem ceeb heev rau txheej txheem tswj raws li cov ntaub ntawv structuring rau txheej txheem yog ua los ntawm PCB.

Ib yam li ib tug yuav nug, dab tsi yog txheej txheem tswj thaiv piav qhia nrog daim duab thiab nws cov ntsiab lus?

A txheej txheem tswj thaiv (PCB) muaj cov ntaub ntawv hais txog txheej txheem , i.e. registers, quantum, priority, etc. Cov txheej txheem lub rooj yog ib qho array ntawm PCB's, uas txhais tau hais tias logically muaj PCB rau tag nrho ntawm tus tam sim no txheej txheem hauv tus qhov system.

Lub luag haujlwm ntawm cov txheej txheem tswj thaiv yog dab tsi? Cov luag hauj lwm los yog ua haujlwm ntawm txheej txheem tswj thaiv (PCB) hauv txheej txheem kev tswj hwm yog tias nws tuaj yeem nkag mus lossis hloov kho los ntawm feem ntau OS cov khoom siv nrog rau cov uas koom nrog kev nco, teem sijhawm, thiab cov khoom siv nkag / tso tawm. txheej txheem tswj blocks muab cov ntaub ntawv ntawm lub xeev tam sim no ntawm lub

Kuj Paub, dab tsi yog nyob rau hauv tus txheej txheem tswj thaiv?

Txheej Txheem Tswj Thaiv (PCB, tseem hu ua Task Controlling Thaiv , Kev nkag ntawm lub Txheej txheem Table, Task Struct, lossis Switchframe) yog cov qauv ntaub ntawv nyob rau hauv lub operating system kernel uas muaj cov ntaub ntawv xav tau los tswj kev teem caij ntawm ib qho tshwj xeeb. txheej txheem.

Dab tsi yog txheej txheem xeev piav qhia nrog daim duab?

Txheej txheem xeev : Nws sawv cev tam sim no xwm txheej ntawm txheej txheem . Tej zaum nws yuav tshiab, npaj, khiav lossis tos. Program counter: Nws qhia qhov chaw nyob ntawm cov lus qhia tom ntej kom ua tiav rau qhov no txheej txheem . CPU Registers: Lawv suav nrog index registers, stack pointer and general purpose registers.

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