填空题

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