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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

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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

答案：A

计算机期末复习练习2

59.CDs and DVDs are durable storage media because their storage technology essentially etches data onto the disc surface. ( )

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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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10.A larger dot pitch produces a crisper image. ( )

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38.Small notebook computers are sometimes called . ( )

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157.A computer can have a permanently assigned

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32.A larger dot pitch produces a crisper image.

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128._software is designed to help you create,
manipulate, and print graphics.

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19.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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18.At lower resolutions, text and other objects appear smaller. ( )

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98.Wireless signals can be disrupted by . ( )

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计算机期末复习练习2

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

答案：A

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59.CDs and DVDs are durable storage media because their storage technology essentially etches data onto the disc surface. ( )

A. 　discrete

B. 　optical

C. 　magnetic

D. 　static

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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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10.A larger dot pitch produces a crisper image. ( )

A. 正确

B. 错误

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38.Small notebook computers are sometimes called . ( )

A. 　semilaptops

B. 　Netbooks

C. 　microlaptops

D. 　tinylaptops

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157.A computer can have a permanently assigned

A. 　 Static

B. 　 dynamic

C. 　 connected

D. 　 default

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32.A larger dot pitch produces a crisper image.

A. 正确

B. 错误

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128._software is designed to help you create,
manipulate, and print graphics.

A. 　Video

B. 　Presentation

C. 　Graphics

D. 　Camera

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19.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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18.At lower resolutions, text and other objects appear smaller. ( )

A. 正确

B. 错误

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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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