Copybook programming yog dab tsi?

Cov txheej txheem:

Copybook programming yog dab tsi?
Copybook programming yog dab tsi?

Video: Copybook programming yog dab tsi?

Video: Copybook programming yog dab tsi?
Video: 5 Best Windows Laptops for PROGRAMMING in 2022 | Tequila Tech 2024, Hlis ntuj nqeg
Anonim

copybooks. Phau ntawv COBOL yog xaiv cov cai uas txhais cov qauv ntaub ntawvYog tias cov ntaub ntawv tshwj xeeb siv rau hauv ntau qhov kev pab cuam, ces tsis txhob sau cov ntaub ntawv qub dua, peb tuaj yeem siv phau ntawv luam. Peb siv daim ntawv COPY los suav nrog phau ntawv luam hauv ib qhov kev pab cuam.

phau ntawv thev naus laus zis yog dab tsi?

(Los yog "cov tswvcuab theej", "copy module") Ib qho ntawm cov cai tsim los muab luam rau hauv ntau qhov kev pab cuam, siv feem ntau hauv IBM DOS mainframe programming.

txhais tau li cas los ntawm phau ntawv luam hauv mainframe?

Ib phau ntawv theej yog tus tswvcuab uas muaj COBOL cov ntaub ntawv piav qhia, PL/I DECLARE nqe lus, lossis HLASM cov ntaub ntawv txhais… Ib phau ntawv txhais lus tuaj yeem yog tag nrho ntawm qhov kev pab cuam lossis tsuas yog cov lus txhais. Daim ntawv luam theej siab tshaj qhov kev txhais yuav tsum xa mus rau cov lus txhais rau tib hom lus.

phau ntawv txhais li cas?

: a phau ntawv yav dhau los siv hauv kev qhia penmanship thiab muaj cov qauv rau kev coj ua.

Dab tsi yog siv phau ntawv luam hauv COBOL?

Nyob hauv COBOL, cov ntaub ntawv luam tawm yog siv los txhais cov ntaub ntawv uas tuaj yeem siv los ntawm ntau qhov kev pab cuam. Thaum Lub Tuam Txhab Tshaj Tawm tsim cov lus tshaj tawm rau COBOL qhov kev pab cuam, nws sau nws mus rau ib daim ntawv luam (. cpy file).

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