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计算机期末考试题库

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25.The control unit directs microprocessor tasks. ( )

A、正确

B、错误

答案：A

计算机期末考试题库

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

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1.Installed on the original IBM PCs, used a command-line interface that simply displayed a “prompt” such as C:\ on the screen and waited for users to type commands. ( )

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68.____ is usually generated at Web sites and is designed to report your online activities to marketing companies that use the information to send you advertisements. ( )

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100.If you wanted to operate the network shown above in client/server mode, you would need to add ____. ( )

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91.Circuitry for Ethernet or Wi-Fi networking is incorporated into the ____ of most personal computers. ( )

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44.A( ) ____ produces an image by manipulating light within a layer of liquid crystal cells. ( )

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

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98.Wireless signals can be disrupted by ____. ( )

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107.____ gather, format, and present information in the database, and can typically be printed, published on the Web, or e-mailed to other people. ( )

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17.ROM circuitry holds hardwired instructions that are a permanent part of the circuitry and remain in place even when the computer power is turned off. ( )

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判断题

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计算机期末考试题库

25.The control unit directs microprocessor tasks. ( )

A、正确

B、错误

答案：A

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

A. 　Video

B. 　Camera

C. 　Graphics

D. 　Presentation

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1.Installed on the original IBM PCs, used a command-line interface that simply displayed a “prompt” such as C:\ on the screen and waited for users to type commands. ( )

A. 　Linux

B. 　DOS

C. 　Unix

D. 　HTML

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68.____ is usually generated at Web sites and is designed to report your online activities to marketing companies that use the information to send you advertisements. ( )

A. 　File Compression

B. 　Viruses

C. 　Spam

D. 　Spyware

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100.If you wanted to operate the network shown above in client/server mode, you would need to add ____. ( )

A. 　a router

B. 　an Ethernet adapter

C. 　a server

D. 　a wireless adapter

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91.Circuitry for Ethernet or Wi-Fi networking is incorporated into the ____ of most personal computers. ( )

A. 　ROM

B. 　modem

C. 　motherboard

D. 　RAM

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44.A( ) ____ produces an image by manipulating light within a layer of liquid crystal cells. ( )

A. 　LED

B. 　plasma screen

C. 　LCD

D. 　CRT

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

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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107.____ gather, format, and present information in the database, and can typically be printed, published on the Web, or e-mailed to other people. ( )

A. 　Forms

B. 　Reports

C. 　Queries

D. 　Links

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17.ROM circuitry holds hardwired instructions that are a permanent part of the circuitry and remain in place even when the computer power is turned off. ( )

A. 正确

B. 错误

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