题目内容

You canfree and shared software onto your computer from the internet.

A. get
B. pay
C. download
D. save

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Notebook and handheld computers often use .

A. CRT monitors
B. gas plasma
C. LCD displays
D. all of the above

The CPU uses bus to locate data.

A. address
B. data
C. locate
D. CPU

Data and files are transmitted in theformat on the net.

A. hyperlink
B. hypermedia
C. hypertext
D. interlink

Which one is NOT a network topology? .

A. bus
B. ring
C. star
D. tree