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

A、　LED

B、　plasma screen

C、　LCD

D、　CRT

答案：NC

计算机期末复习练习2

109.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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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.

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42.Today, VGA is the preferred way to connect peripheral devices.

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2.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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104.handheld is typically used as an electronic appointment book, address book, calculator, and notepad. ( )

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126.Databases can be stored on

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154.A( ) _is a company that offers Internet access to individuuals andibusinesses.

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

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158.The domain_is restricted to U.S. military agencies.

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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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单选题

)

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计算机期末复习练习2

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

A、　LED

B、　plasma screen

C、　LCD

D、　CRT

答案：NC

相关题目

109.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. 　Unix

B. 　Linux

C. 　DOS

D. 　HTML

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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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42.Today, VGA is the preferred way to connect peripheral devices.

A. 正确

B. 错误

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2.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

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104.handheld is typically used as an electronic appointment book, address book, calculator, and notepad. ( )