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

A--office automation
B--laser jet printer
C--ink jet printer
D--host computer
E--home page
F--floppy disk
G--electronic commerce
H--drag and drop
I--download
J--disk drive
K--dialogue boxes
L--desktop operating system
M--data processing
N--computer-aided design (CAD)
O--central processing unit
P--mouse（）电子商务（）桌面操作系统

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