Video: Lub cim hu ua dab tsi hauv programming?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A cim hauv computer programming yog cov ntaub ntawv aprimitive uas nws qhov xwm txheej muaj ib qho tshwj xeeb tib neeg-readableform. Cov cim tuaj yeem siv los ua tus cim. Hauv qee qhov programming lus, lawv yog hu ua atoms. Hauv lawv qhov kev siv tsis tseem ceeb, lawv yog qhov tseem ceeb hu ua integers (piv txwv li hom enumerated hauv C).
Hauv qhov no, koj hu li cas hauv programming?
(npe) a qhov kev pab cuam , feem ntau yog ib cov ntaub ntawv, npaj tobe khiav. Piv txwv li: Muab qhov executable rau kuv ces kuv ua tau sim koj qhov kev pab cuam . (noun) code rau hu muaj nuj nqi. Function hu qhia qhov ua haujlwm rau hu , thiab tag nrho cov lus sib cav uas lub luag haujlwm xav tau. Qhov tshwm sim ntawm kev ua haujlwm hu yog tus nqi rov qab.
Kuj Paub, lub cim lub npe yog dab tsi? Kev piav qhia ntawm lub computer keyboard key
| Sl. Tsis muaj. | Cim | Lub npe |
|---|---|---|
| 1 | & | ampersand los yog thiab |
| 2 | ' | apostrophe los yog ib nqe lus |
| 3 | * | hnub qub |
| 4 | @ | ntawm |
Tsis tas li ntawd, tus neeg ua haujlwm hauv programming yog dab tsi?
Hauv lej thiab qee zaum hauv computer programming , ib tus neeg ua haujlwm yog tus cwj pwm uas sawv cev rau qhov kev txiav txim, piv txwv li x yog tus lej lej tus neeg ua haujlwm uas sawv cev ntau. Nyob rau hauv computerprograms, ib tug ntawm cov feem ntau paub set ntawm cov neeg ua haujlwm , cov Boolean cov neeg ua haujlwm , yog siv los ua haujlwm nrog qhov tseeb / cuav.
Tus neeg teb xov tooj muab piv txwv yog dab tsi?
Hauv computer programming thiab ntawm kab hais kom ua, ib tus neeg ua haujlwm yog ib yam khoom uas muaj peev xwm los tswj tus nqi lossis tus neeg ua haujlwm . Rau piv txwv , hauv "1 + 2", "1" thiab "2" yog cov operands thiab lub cim ntxiv yog lub tus neeg ua haujlwm.
Pom zoo:
Lub cim xeeb tseem ceeb thiab lub cim xeeb thib ob yog dab tsi muab piv txwv?
Lub cim xeeb thib ob muaj nyob rau hauv ntau thiab ib txwm loj dua lub cim xeeb thawj. Lub khoos phis tawj tuaj yeem ua haujlwm yam tsis muaj lub cim xeeb thib ob raws li nws lub cim xeeb sab nraud. Cov piv txwv ntawm lub cim xeeb thib ob yog lub hard disk, floppy disk, CD, DVD, thiab lwm yam
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