A.索引查詢 B.模糊查詢 C.匯總數(shù)據(jù) D.分組功能
A.HDD-0 B.Floppy-0 C.Floppy-1 D.HDD-1
A.只有輸入User Password,微機才啟動操作系統(tǒng) B.輸入User Password與Supervisor Password微機都可以啟動操作系統(tǒng) C.只有輸入Supervisor Password,微機才啟動操作系統(tǒng) D.先輸入User Password再輸入Supervisor Password則微機啟動操作系統(tǒng)