A.數(shù)據(jù)流B.數(shù)據(jù)存儲(chǔ)C.處理過(guò)程D.數(shù)據(jù)項(xiàng)
A.1 B.2 C.3 D.4
A.數(shù)據(jù) B.對(duì)象 C.過(guò)程 D.結(jié)構(gòu)