Cov txheej txheem:
- Hom ntaub ntawv uas muaj xws li:
- Cov no suav nrog cov kab cim, cov lej, lej, lej, duab, suab, yees duab thiab lwm hom kev tshaj xov xwm
- 3 Cov ntaub ntawv tseem ceeb ntawm cov ntaub ntawv | Kev txheeb cais
Video: Cov ntaub ntawv sib txawv dab tsi uas lub computer khaws cia?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov ntaub ntawv & Cov ntaub ntawv
Tag nrho cov ntaub ntawv xaus mus khaws cia raws li ib tug series ntawm cov zauv nyob rau hauv lub lub computer . Cov ntaub ntawv tuaj yeem nkag rau hauv lub computer los ntawm cov neeg siv ntau txawv txoj kev. Lub ntsiab hom ntaub ntawv uas tuaj yeem nkag rau hauv a lub computer thiab ua tiav yog cov lej, ntawv nyeem, hnub tim, duab thiab suab.
Ib yam li ntawd, nws nug, 5 hom ntaub ntawv yog dab tsi?
Hom ntaub ntawv uas muaj xws li:
- Tus lej.
- Floating point tooj.
- Cim.
- Txoj hlua.
- Boolean.
Ib tug kuj nug, 3 hom ntaub ntawv yog dab tsi? Jeff Bertolucci ntawm Lub Limtiam Cov Ntaub Ntawv tau sau ib tsab xov xwm tshiab txog qhov txawv peb hom ntawm Big Cov ntaub ntawv analytics: piav qhia, kwv yees, thiab sau ntawv. Nws sau tias, “Feem ntau ntawm raw cov ntaub ntawv , tshwj xeeb loj cov ntaub ntawv , tsis muaj ntau tus nqi nyob rau hauv nws lub xeev unprocessed.
Ua li no, cov ntaub ntawv sib txawv hauv computer yog dab tsi?
Cov no suav nrog cov kab cim, cov lej, lej, lej, duab, suab, yees duab thiab lwm hom kev tshaj xov xwm
- Hom ntaub ntawv. Cov tshuab computer ua haujlwm nrog ntau hom ntaub ntawv digital.
- Analog vs. Digital Data.
- Cov kab cim. Ib qho ntawm cov ntaub ntawv yooj yim tshaj plaws yog cov ntawv dawb.
- Cov ntaub ntawv naj npawb.
- Cov ntaub ntawv Boolean.
- Hnub tim thiab Sijhawm.
Cov ntaub ntawv yog dab tsi?
3 Cov ntaub ntawv tseem ceeb ntawm cov ntaub ntawv | Kev txheeb cais
- Qualitative thiab Quantitative.
- Nruam thiab Discrete Cov ntaub ntawv. ADVERTISEMENTS:
- Cov ntaub ntawv tseem ceeb thiab theem nrab. Daim Ntawv # 1. Cov Ntaub Ntawv Zoo thiab Quantitative: Cia peb xav txog ib pawg ntawm cov ntaub ntawv muab hauv Table 2.1:
Pom zoo:
Dab tsi yog cov ntaub ntawv hloov pauv hauv cov ntaub ntawv khaws cia?
Cov ntaub ntawv hloov pauv yog cov ntaub ntawv uas tau tsim nyob rau hauv daim ntawv thov kev sib ntsib, uas tsis tau khaws cia hauv cov ntaub ntawv tom qab daim ntawv thov raug txiav
Dab tsi yog qhov txawv ntawm cov ntaub ntawv uas tau tsav thiab cov lus tseem ceeb uas tau tsav?
Qhov sib txawv ntawm Cov Ntsiab Lus Tsav Tsheb thiab Cov Ntaub Ntawv Tsav Tsheb: Cov Ntaub Ntawv Tsav Tsheb: Li no nws tau qhia kom khaws cov ntaub ntawv sim rau qee cov ntaub ntawv sab nraud sab nraud ntawm cov ntawv xeem. Cov Ntaub Ntawv Tsav Tsheb Kev Xeem Ua Haujlwm pab tus neeg siv cais cov ntawv xeem cov logic thiab cov ntaub ntawv xeem los ntawm ib leeg
Dab tsi yog qhov sib txawv ntawm cov ntaub ntawv sib sau ua ke thiab cov ntaub ntawv tsis sib xws?
Kev sib sau cov ntaub ntawv yog sau thiab sau cov ntaub ntawv; kom disaggregate cov ntaub ntawv yog rhuav tshem cov ntaub ntawv sib sau ua ke rau hauv cov khoom siv lossis cov ntaub ntawv me me
Vim li cas kem taw qhia cov ntaub ntawv khaws cia ua cov ntaub ntawv nkag ntawm disks sai dua li kab qhia cov ntaub ntawv khaws cia?
Kem oriented databases (aka columnar databases) yog qhov tsim nyog rau kev ntsuas kev ua haujlwm ntau dua vim tias cov ntaub ntawv hom ntawv (kem hom) qiv nws tus kheej kom nrawm dua cov lus nug ua - scans, aggregation thiab lwm yam. Ntawm qhov tod tes, kab oriented databases khaws ib kab (thiab tag nrho nws. kab) contiguously
Cov ntaub ntawv khaws cia dab tsi tuav cov ntaub ntawv tshaj plaws?
Cov ntaub ntawv khaws cia rau hauv lub hard disk tuaj yeem nkag tau sai dua li cov ntaub ntawv khaws cia rau ntawm lub disk. Hard disks tuaj yeem khaws ntau cov ntaub ntawv ntau dua li lub floppy disk. Ib qho nyuaj hard disk hauv tus kheej lub computer tuaj yeem tuav ob peb gigabytes ntawm cov ntaub ntawv