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计算机期末复习练习2

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计算机期末复习练习2

题目内容

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单选题

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151.Computer networks often incorporate some type of centralized device to handle communications, such as_.

A、　 switches

B、　 hubs

C、　 bridges

D、　 all of the above

答案：D

计算机期末复习练习2

21.In a computer, most processing takes place in a component called the central processing unit (CPU), which is sometimes described as the computer’s “brain.” ( )

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18.At lower resolutions, text and other objects appear smaller. ( )

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53.A screen can detect the location of a fingertip or stylus within the screen area. ( )

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90. software helps a business keep track of the money flowing into and out of various accounts. ( )

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30.In the context of computing, software refers to symbols that represent facts, objects, and ideas. ( )

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159.A_ is basically a wireless local area network that provides access to guests using notebook com PDAs, or other mobile devices.

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140. Installed on the original IBM PCs, used a command-line interface that simply displayed a "prompt” such as

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136. Electronicare used to enter information
into the database.

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29.Most antivirus software runs . ( )

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152.A network server provides services to computers called _.

题目内容

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单选题

)

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计算机期末复习练习2

151.Computer networks often incorporate some type of centralized device to handle communications, such as_.

A、　 switches

B、　 hubs

C、　 bridges

D、　 all of the above

答案：D

相关题目

21.In a computer, most processing takes place in a component called the central processing unit (CPU), which is sometimes described as the computer’s “brain.” ( )

A. 正确

B. 错误

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18.At lower resolutions, text and other objects appear smaller. ( )

A. 正确

B. 错误

点击查看答案

53.A screen can detect the location of a fingertip or stylus within the screen area. ( )

A. 　touch-based

B. 　touch-sensitive

C. 　sound-sensitive

D. 　sound-based