填空题
A—mouse I—drag and drop
B—central processing unit J—electronic commerce
C—CAD K—floppy disk
D—data processing L—home page
E—desktop operating system M—host computer
F—dialogue boxes N—ink-jet printer
G—disk drive O—laser jet printer
H—download P—office automation
______激光打印机 ______办公自动化
【参考答案】
O, P