Video: Puas yog logic foob pob txhaum cai?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Los ntawm 1980 mus rau 1985, qee cov software tsim tawm imbedded logic foob pob rau hauv lawv cov software, teeb tsa kom rhuav tshem cov software nws tus kheej yog tias daim ntawv tso cai tsis tau rov ua dua tshiab. Tau kawg, niaj hnub no qhov kev xyaum no yog txhaum cai , tab sis tib neeg tseem siv logic foob pob hauv lwm cov ntsiab lus kom ua tiav lawv qhov kawg.
Ntxiv mus, puas yog logic foob pob kab mob?
A logic foob pob yog ib daim code tso rau hauv lub operating system lossis software daim ntawv thov uas siv cov haujlwm tsis zoo tom qab qee qhov nyiaj ntawm sij hawm , lossis cov xwm txheej tshwj xeeb tau ua tiav. Logic foob pob feem ntau siv nrog kab mob , worms, thiab trojan nees rau sij hawm lawv ua qhov kev puas tsuaj ntau tshaj plaws ua ntej pom.
Qhov thib ob, logic foob pob nres yog dab tsi? A logic foob pob yog ib qho ntawm cov cai txhob txwm tso rau hauv software system uas yuav teeb tawm qhov ua tsis zoo thaum cov xwm txheej tau ua tiav. Piv txwv li, tus programmer yuav nkaum ib daim code uas pib rho tawm cov ntaub ntawv (xws li cov nyiaj hli database trigger), yog tias lawv puas raug txiav tawm ntawm lub tuam txhab.
Khaws qhov no hauv kev pom, puas muaj kev siv rau lub foob pob tawg uas tsis ua phem?
Logic foob pob tsis yog feem ntau programmed kis mus rau cov neeg txais tsis paub, txawm hais tias nyob ntawd yog qee hom kab mob uas tau txiav txim siab logic foob pob vim lawv muaj ib sij hawm -and-date trigger. Tab sis vim qhov no yog a tsis yog - siab phem , neeg siv pob tshab siv ntawm code, nws tsis yog feem ntau hu ua a logic foob pob.
Dab tsi yog cov yam ntxwv ntawm logic foob pob?
Kev ua phem ntau yam uas logic foob pob tuaj yeem ua rau muaj xws li cov ntaub ntawv kev noj nyiaj txiag, kev tshem tawm cov ntaub ntawv lossis tshem tawm lub hard drive. Tsis zoo li lwm hom malware uas cuam tshuam rau hauv kev ruaj ntseg, logic foob pob tawm tsam zoo li cyber sabotage los ntawm ib tus neeg hauv ib qho koom haum leej twg muaj kev nkag tau rau cov ntaub ntawv rhiab.
Pom zoo:
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