Dab tsi yog Boolean connectors?
Dab tsi yog Boolean connectors?

Video: Dab tsi yog Boolean connectors?

Video: Dab tsi yog Boolean connectors?
Video: Yog ntuj tsis pab ntshe kuv tuag lawm 8/6/2018 2024, Kaum ib hlis
Anonim

Boolean cov neeg ua haujlwm lossis cov khoom sib txuas tuaj yeem siv los txhim kho koj cov txiaj ntsig kev tshawb fawb. Thaum siv qhov kev tshawb nrhiav yooj yim lossis qib siab, koj tuaj yeem siv THIAB, LOSSIS, lossis TSIS TAU. Koj tseem tuaj yeem pab lawv ua ke. THIAB nqaim ib qho kev tshawb nrhiav. Nws yog tus txheej txheem tshawb nrhiav siv hauv kev tshawb nrhiav yooj yim.

Hais txog qhov no, dab tsi yog 6 tus neeg ua haujlwm Boolean?

Muaj rau logical , los yog boolean , cov neeg ua haujlwm . Lawv yog THIAB, conditional THIAB, LOSSIS, conditional LOSSIS, tshwj xeeb LOSSIS, thiab TSIS.

Kuj Paub, Dab tsi yog 3 Boolean tus tswv siv rau kev tshawb nrhiav Boolean? Cov peb yooj yim boolean operators yog: THIAB, LOSSIS, thiab TSIS TAU.

Yog li ntawd, cov neeg ua haujlwm Boolean yog dab tsi thiab lawv ua haujlwm li cas?

Boolean cov neeg ua haujlwm yog cov lus uas txuas cov ntsiab lus tshawb nrhiav (keywords) rau tsim ib lo lus logic uas ib tug database ua tau nkag siab. Lawv tso cai rau koj rau tsim ib tug complex nrhiav uas ua tau suav nrog ntau lub ntsiab lus thiab lwm lo lus tseem ceeb. Nrhiav cov khoom uas siv ob lo lus tseem ceeb. Nrhiav cov khoom uas siv ob qho ntawm cov ntsiab lus.

Dab tsi yog 4 tus neeg ua haujlwm Boolean?

Boolean operators yog lo lus "AND", "OR" thiab "NOT". Thaum siv hauv cov tsev qiv ntawv cov ntaub ntawv (tsim ntawm koj cov lus tseem ceeb) lawv tuaj yeem ua rau txhua qhov kev tshawb fawb ntau dua - thiab txuag koj lub sijhawm!

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