单项选择题

A （）copies a photograph, drawing or page of text into the computer.

A．scanner
B．printer　
C．display
D．keyboard

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单项选择题
The（）controls the cursor or pointer on the screen and allows the user to access commands by pointing and clicking.

A．graphics
B．printer
C．program
D．mouse
单项选择题
A （）computer is a personal computer whose hardware is capable of using any or all of the following media in a program: audio, text, graphics, video and animation.

A．database
B．multimedia
C．network　
D．mainframes
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