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Kusukela ekwakheni izakhiwo kuya kwisofthiwe yokwakha. Ngawo-1950 i-Waterfall Development Model yethulwa ekuklanyweni nasekuthuthukisweni kwesoftware. Lolu hlelo luyinsalela yemboni yezokukhiqiza lapho, ngesidingo, impendulo efanele kwadingeka iqanjwe ngaphambi kokuqala komsebenzi. Futhi, kulowo mhlaba, impendulo efanele inengqondo! Ungasicabanga isimo lapho unqume khona...