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

A、正确

B、错误

答案：A

计算机期末复习练习2

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

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

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43.At lower resolutions, text and other objects appear smaller.

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44.Most desktop computer keyboards also include a(n) calculator-style numeric keypad.

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84.Each connection point on a network is referred to as a . ( )

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18.Most database software includes tools to create all of these EXCEPT . ( )

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161.Voice,over IP ( ) carries voice conversations over a _.

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45.Contrast ratio is the difference between the luminance of white and black pixels.

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124. In the photo labeled "Figure 3." below,the keys shown are thekeys. Figure 3.( )

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50. Some scanners have optical character
recognition ability, which converts the letters and symbols on a page into analog data that can be edited using word processing software.

题目内容

(

判断题

)

手机预览

计算机期末复习练习2

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

A、正确

B、错误

答案：A

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

A. 　analog

B. 　both a. and b.

C. 　neither a. nor b.

D. 　binary

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

A. 　MP3

B. 　WAV

C. 　MP4

D. 　M4P

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43.At lower resolutions, text and other objects appear smaller.

A. 正确

B. 错误

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44.Most desktop computer keyboards also include a(n) calculator-style numeric keypad.

A. 正确

B. 错误

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84.Each connection point on a network is referred to as a . ( )

A. 　router

B. 　node

C. 　client

D. 　server

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18.Most database software includes tools to create all of these EXCEPT . ( )

A. 　electronic forms

B. 　insight lists

C. 　queries

D. 　reports

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161.Voice,over IP ( ) carries voice conversations over a _.

A. 　 telephone network

B. 　 cable network

C. 　 computer network

D. 　 cell tower network

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45.Contrast ratio is the difference between the luminance of white and black pixels.

A. 正确

B. 错误

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124. In the photo labeled "Figure 3." below,the keys shown are thekeys. Figure 3.( )

A. 　direction

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50. Some scanners have optical character
recognition ability, which converts the letters and symbols on a page into analog data that can be edited using word processing software.

A. 正确

B. 错误

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