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计算机期末考试题库

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计算机期末考试题库

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14.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

答案：B

计算机期末考试题库

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

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

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31.The series of instructions that tell a computer how to carry out a processing task is referred to as a(n) computer program. ( )

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81.____software is designed to help you create, manipulate, and print graphics. ( )

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23.Animated ____ are essentially a series of bitmap images displayed in sequence to achieve animation effects. ( )

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15.he figure above shows an example of a Microsoft ____ screen. ( )

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

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25.The control unit directs microprocessor tasks. ( )

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80.Digital audio is stored in a variety of file types, including all of these EXCEPT: ____. ( )

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计算机期末考试题库

14.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

答案：B

相关题目

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

A. 正确

B. 错误

点击查看答案

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

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

A. 　standard telephone cable

B. 　cable television cable

C. 　electrical cord

D. 　headset cord

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31.The series of instructions that tell a computer how to carry out a processing task is referred to as a(n) computer program. ( )

A. 正确

B. 错误