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
______桌面操作系统 ______喷墨打印机

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