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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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判断题

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45.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

27.The screen shown in the figure above displays a( ) interface, which simply displays a “prompt” and waits for users to type commands. ( )

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98.Wireless signals can be disrupted by . ( )

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27.On a personal computer, standard peripheral devices include a keyboard, mouse, display unit, and printer. ( )

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101.The domain is restricted to U.S. military agencies. ( )

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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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32.The resolution for many early PC displays was referred to as . ( )

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1.{A(n) output device, such as a keyboard or mouse, gathers data and transforms it into a series of electronic signals for the computer to store and manipulate.}( )

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39.The quality or sharpness of printed images and text depends on the printer' s span-the density of dots that create an image.

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111,Software applies , also called algorithms(算法), to process data. ( )

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32.A larger dot pitch produces a crisper image.

题目内容

(

判断题

)

手机预览

计算机期末复习练习2

45.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

27.The screen shown in the figure above displays a( ) interface, which simply displays a “prompt” and waits for users to type commands. ( )

A. 　command-line

B. 　operator-input

C. 　user-input

D. 　operator-command

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98.Wireless signals can be disrupted by . ( )

A. 　interference from electrical appliances

B. 　hills, valleys, trees

C. 　brick walls and concrete floors

D. 　all of the above

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27.On a personal computer, standard peripheral devices include a keyboard, mouse, display unit, and printer. ( )

A. 正确

B. 错误

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101.The domain is restricted to U.S. military agencies. ( )

A. 　army

B. 　Mil

C. 　us

D. 　Gov

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

A. 　Accounting

B. 　Presentation

C. 　Project management

D. 　Groupware

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32.The resolution for many early PC displays was referred to as . ( )

A. 　VGA

B. 　PCA

C. 　VCL

D. 　PCL

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1.{A(n) output device, such as a keyboard or mouse, gathers data and transforms it into a series of electronic signals for the computer to store and manipulate.}( )

A. 正确

B. 错误

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39.The quality or sharpness of printed images and text depends on the printer' s span-the density of dots that create an image.

A. 正确

B. 错误

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111,Software applies , also called algorithms(算法), to process data. ( )

A. 　procedures

B. 　objects

C. 　arithmetic
Rules

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