A.512個 B.1000個 C.1024個 D.2048個
A.排版、制圖 B.操作、網(wǎng)絡 C.系統(tǒng)、應用 D.數(shù)據(jù)庫、圖文
A.Disk operation System B.Disk System C.Dine Ctoryoperation System D.Diskette Operate System