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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

(

单选题

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120.Screen brightness can be measured as ( )

A、　luminance

B、　contrast ratio

C、　either a.or b.

D、　neither a. nor b.

答案：C

计算机期末复习练习2

98.Wireless signals can be disrupted by . ( )

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129.Most database software includes tools to create all of these EXCEPT_

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33.Printer is measured by the number of dots per linear inch, abbreviated as dpi. ( )

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126.Databases can be stored on

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34.The Marketing Department Secretary inquired about the difference in transfer rates between a DVD drive versus a Blu-ray drive. A 1X DVD drive can access 10.8 Mbps; a 1X Blu-ray drive handles Mbps. ( )

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

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36.True LED screens have a bright,crisp image and use less power that LCDs.

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64.In addition to a display device, such as a monitor, a computer display system also requires graphics that generates the signals for displaying an image on the screen. ( )

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119._is a measure of image clarity.( )

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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.

题目内容

(

单选题

)

手机预览

计算机期末复习练习2

120.Screen brightness can be measured as ( )

A、　luminance

B、　contrast ratio

C、　either a.or b.

D、　neither a. nor b.

答案：C

相关题目

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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129.Most database software includes tools to create all of these EXCEPT_

A. 　reports

B. 　queries

C. 　insight lists

D. 　electronic forms

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33.Printer is measured by the number of dots per linear inch, abbreviated as dpi. ( )

A. 　speed

B. 　span

C. 　depth

D. 　resolution

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126.Databases can be stored on

A. 　servers

B. 　all of the above

C. 　handheld computers

D. 　personal computers

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A. 　36

B. 　20

C. 　24

D. 　30

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

A. 　neither a. nor b.

B. 　analog

C. 　binary

D. 　both a. and b.

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36.True LED screens have a bright,crisp image and use less power that LCDs.

A. 正确

B. 错误

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64.In addition to a display device, such as a monitor, a computer display system also requires graphics that generates the signals for displaying an image on the screen. ( )

A. 　ports

B. 　algorithms

C. 　switchboards

D. 　circuitry

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119._is a measure of image clarity.( )

A. 　Dot pitch

B. 　Pixel pitch

C. 　either a.or b.

D. 　neither a.nor b.

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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.