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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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11.Contrast ratio is the difference between the luminance of white and black pixels. ( )

A、正确

B、错误

答案：A

计算机期末复习练习2

131. is a type of application software designed to help several people collaborate on projects
using connections provided by a local network or the Internet.

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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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4.Most computers include a CD drive or DVD drive that uses a magnet to read data stored on plastic-coated CDs and DVDs.} ( )

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8.Architects and engineers typically use digitizing tablets to transfer points from paper-based drawings into digital format. ( )

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118._is the measurement in inches from one corner of the screen diagonally across to the opposite corner.( )

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106.Networks are monitored by security personnel and supervised by who set( ) up accounts and passwords for authorized network users. ( )

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7.A(n) pointing device allows you to manipulate an on-screen pointer and other screen-based graphical controls. ( )

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2.Digital audio is music, speech, and other sounds represented in format for use in digital devices. ( )

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

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76.An Ethernet cable is similar to a( ) , but has a slighter larger plastic snap-in plug. ( )

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计算机期末复习练习2

11.Contrast ratio is the difference between the luminance of white and black pixels. ( )

A、正确

B、错误

答案：A

相关题目

131. is a type of application software designed to help several people collaborate on projects
using connections provided by a local network or the Internet.

A. 　Presentation software

B. 　Groupware

C. 　Accounting software

D. 　Project Management software

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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

点击查看答案

4.Most computers include a CD drive or DVD drive that uses a magnet to read data stored on plastic-coated CDs and DVDs.} ( )

A. 正确

B. 错误

点击查看答案

8.Architects and engineers typically use digitizing tablets to transfer points from paper-based drawings into digital format. ( )

A. 正确

B. 错误

点击查看答案

118._is the measurement in inches from one corner of the screen diagonally across to the opposite corner.( )