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

（）computer is a personal computer whose hardware is capable of using any or all 0f the following media in a program：audio，text，graphics，video and animation．

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

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