[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
（）桌面操作系统（）喷墨打印机

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[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

（）磁盘驱动器（）电子商务

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[单项选择]The central processing unit(CPU), sometimes referred to as the processor, interprets (解释) and carries out the basic (26) that operate a computer.
A. database
B. files
C. block
D. instructions

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[填空题]

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

（）办公自动化（）对话框

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