12. 請問下列有多少個項目可被歸類為作業系統(Operating System)?
(1)Android (2)Microsoft SQL Server (3)iOS (4)Linux
(5)Facebook (6)Mac OS X (7)OpenOffice.org (8)Google Chrome
(A)3
(B)4
(C)5
(D)6
答案:登入後查看
統計: A(9), B(125), C(18), D(0), E(0) #2911107
統計: A(9), B(125), C(18), D(0), E(0) #2911107