conditional statement

conditional statement
sąlyginis sakinys statusas T sritis informatika apibrėžtis Valdymo konstrukcija (struktūra), apibrėžianti ↑sąlygą ir veiksmus, kurie turi būti atliekami priklausomai nuo to, ar sąlyga tenkinama, ar ne. Vartojamas ↑programavimo kalbose, kai reikia nusakyti veiksmų parinkimą – šakojimą. Paprastai tiesiogiai sąlyginiu sakiniu nusakomas vieno veiksmo parinkimas iš dviejų. Norint parinkti vieną veiksmą iš daugiau negu dviejų veiksmų, tenka šiuos veiksmus išreikšti keliais sąlyginiais sakiniais arba vartoti bendresnę konstrukciją – ↑variantinį sakinį. Dažniausiai sąlyginis sakinys pradedamas baziniu žodžiu IF, po kurio rašoma sąlyga (↑loginis reiškinys) ir dvi pasirenkamųjų veiksmų šakos. Viena jų pradedama baziniu žodžiu THEN (po jo rašomi veiksmai, kurie atliekami, kai sąlyga tenkinama), kita – žodžiu ELSE (po jo rašomi veiksmai, kurie atliekami, kai sąlyga netenkinama). Sąlyginis sakinys gali būti pavaizduotas schemomis. Iliustracijas žr. priede. pavyzdys(-iai) sąlyginio sakinio pabaiga, sąlyginis sakinys cikle, sąlyginis sakinys sąlyginiame sakinyje, sutrumpintas sąlyginis sakinys. priedas(-ai) Grafinis formatas, Grafinis formatas atitikmenys: angl. conditional statement; if statement ryšiai: dar žiūrėk – loginis reiškinys dar žiūrėk – programavimo kalba dar žiūrėk – sąlyga dar žiūrėk – variantinis sakinys

Enciklopedinis kompiuterijos žodynas . . 2008.

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