Video: Kev tsom xam thiab kev tsim qauv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov qauv ntsuas ua haujlwm raws li qhov txuas ntawm 'system piav qhia' thiab ' tsim qauv '. Hauv qauv tsom xam , cov ntaub ntawv, kev ua haujlwm thiab tus cwj pwm ntawm qhov system tau txhais thiab cov no tau muab txhais rau hauv architecture, interface thiab qib theem tsim hauv ' tsim qauv '.
Nyob rau hauv txoj kev no, qhov txawv ntawm kev tsom xam qauv thiab tus qauv tsim yog dab tsi?
Roughly hais lus, " tsom xam "xaiv qee yam kev nkag siab ntawm qhov teeb meem lossis qhov xwm txheej, whereas" tsim "yog hais txog kev tsim cov kev daws teeb meem rau kev txheeb xyuas; a" qauv "yog qee yam kev yooj yim uas siv los nkag siab qhov teeb meem zoo dua (" qauv tsom xam ") los yog kev daws teeb meem (" tsim qauv ") [Tom qab, lo lus nug yog, dab tsi yog tus qauv tsim? Cov tsim qauv yog ib yam khoom qauv piav qhia txog kev ua tiav ntawm kev siv cov ntaub ntawv, thiab ua haujlwm raws li kev paub daws teeb meem ntawm kev siv qauv thiab nws qhov chaws. Cov tsim qauv yog siv los ua cov tswv yim tseem ceeb rau cov dej num hauv kev siv thiab kev sim.
Tsis tas li cov lus nug yog, tus qauv ntsuas yog dab tsi?
Kev Ntsuam Xyuas Qauv . Ib yam khoom qauv piav qhia txog kev ua tiav ntawm kev siv rooj plaub, thiab uas ua haujlwm raws li kev paub daws teeb meem ntawm Artifact: Tsim Qauv . Cov Kev Ntsuam Xyuas Qauv muaj cov txiaj ntsig ntawm kev siv cov ntaub ntawv tsom xam , Piv txwv ntawm Artifact: Kev tsom xam Chav kawm. Cov Kev Ntsuam Xyuas Qauv yog ib qho khoom siv uas xaiv tau (saib Tailoring).
Kev tsom xam tsim yog dab tsi?
Tsim kev tsom xam yog tus txheej txheem ntawm kev tsim ib tsim suav nrog txhua qhov kev tshawb nrhiav, kev npaj thiab kev sib txuas lus. Qhov no tuaj yeem siv rau txhua hom tsim suav nrog tsim ntawm cov khoom ntawm lub cev xws li cov tsev thiab cov khoom tsis muaj peev xwm xws li software, cov ntaub ntawv thiab cov txheej txheem.
Pom zoo:
Dab tsi yog qhov sib txawv loj ntawm univariate bivariate thiab multivariate tsom xam?
Univariate thiab multivariate sawv cev rau ob txoj hauv kev rau kev txheeb xyuas statistical. Univariate suav nrog kev tshuaj xyuas ntawm ib qho kev sib txawv thaum kev tshuaj ntsuam ntau yam tshuaj xyuas ob lossis ntau qhov sib txawv. Feem ntau cov kev ntsuam xyuas ntau yam muaj xws li qhov sib txawv ntawm qhov sib txawv thiab ntau yam txawv txawv
Dab tsi yog qhov tsim qauv tsim qauv tsim thiab lub cev database tsim?
Logical database modeling suav nrog; ERD, daim duab ua lag luam, thiab cov ntaub ntawv tawm tswv yim rau cov neeg siv; whereasphysical database modeling suav nrog; server qauv daim duab, database tsim cov ntaub ntawv, thiab cov neeg siv cov ntaub ntawv tawm tswv yim
Dab tsi yog qhov tsom xam qauv?
Grammar Focus yog ib txoj hauv kev rau kev kawm cov cai tseem ceeb rau kev xeem ntawv Askiv. Cov tsib caug txoj cai no yog cov kev paub tseem ceeb rau kev kho kab lus ntau yam, txheeb xyuas kab lus tsis raug thiab kho cov lus nug uas tshwm sim ntawm kev xeem xws li SAT, GMAT thiab ACT
Dab tsi yog lexical syntactic thiab semantic tsom xam?
Los ntawm lub hauv paus code, lexical tsom xam tsim tokens, cov lus nyob rau hauv ib hom lus, uas yog ces parsed los tsim ib tug syntax ntoo, uas checks tias tokens ua raws li cov cai ntawm ib hom lus. Semantic tsom xam yog tom qab ntawd ua rau ntawm tsob ntoo syntax los tsim ib tsob ntoo annotated
Dab tsi yog siv cov khoom taw qhia kev tsom xam thiab tsim qauv?
Object-oriented tsom xam thiab tsim (OOAD) yog ib txoj hauv kev rau kev txheeb xyuas thiab tsim cov ntawv thov, qhov system, lossis kev lag luam los ntawm kev siv cov phiaj xwm-oriented programming, nrog rau kev siv cov duab kos duab thoob plaws hauv cov txheej txheem tsim software los qhia txog kev sib txuas lus thiab cov khoom lag luam zoo