A.需求分析 B.詳細(xì)調(diào)查 C.總體設(shè)計(jì) D.邏輯設(shè)計(jì)
A.基本數(shù)據(jù)項(xiàng)描述,數(shù)據(jù)結(jié)構(gòu)定義,數(shù)據(jù)流 說明,數(shù)據(jù)處理描述,外部實(shí)體描述 B.基本數(shù)據(jù)項(xiàng)描述,數(shù)據(jù)結(jié)構(gòu)定義,數(shù)據(jù)流的說明,數(shù)據(jù)處理描述,數(shù)據(jù)存儲(chǔ)模式,外部實(shí)體描述 C.數(shù)據(jù)結(jié)構(gòu)定義,數(shù)據(jù)流的說明,數(shù)據(jù)處理描述,數(shù)據(jù)存儲(chǔ)模式,外部實(shí)體描述 D.基本數(shù)據(jù)項(xiàng)描述,數(shù)據(jù)流的說明,數(shù)據(jù)處理描述,數(shù)據(jù)存儲(chǔ)模式,外部實(shí)體描述
A.系統(tǒng)流程圖 B.數(shù)據(jù)流程圖 C.程序流程圖 D.業(yè)務(wù)流程圖