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

A、　LCD

B、　LED

C、　CRT

D、　plasma screen

答案：A

计算机期末复习练习2

62.Originally designed to accept input from devices called , mainframes today are typically accessed by desktop computers. ( )

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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.

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51.The graphics card is also called a . ( )

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162.The standard protocol of the Internet is _.

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31.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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9.Luminance is usually expressed in light per square meter, with higher numbers indicating a brighter display. ( )

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

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87.{ messaging is a form of quick communication in which a message is typed, sent to one or more people, and received instantly. ( )

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23.A CD (compact disc) provides 1650–1700 MB of storage space for computer data. ( )

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11.Databases can be stored on . ( )

题目内容

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单选题

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计算机期末复习练习2

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

A、　LCD

B、　LED

C、　CRT

D、　plasma screen

答案：A

相关题目

62.Originally designed to accept input from devices called , mainframes today are typically accessed by desktop computers. ( )

A. 　pods

B. 　LCDs

C. 　ports

D. 　terminals

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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.

A. 　 Wi-Fi hotspot

B. 　 LAN

C. 　 WAP

D. 　 Bluetooth Center

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51.The graphics card is also called a . ( )

A. 　either a. or b.

B. 　neither a. nor b.

C. 　video card

D. 　graphics board

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162.The standard protocol of the Internet is _.

A. 　 TCP/IP

B. 　 Java

C. 　 HTML

D. 　 Flash

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31.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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9.Luminance is usually expressed in light per square meter, with higher numbers indicating a brighter display. ( )

A. 正确

B. 错误

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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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87.{ messaging is a form of quick communication in which a message is typed, sent to one or more people, and received instantly. ( )

A. 　Internet

B. 　Instant

C. 　IP

D. 　Chat

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23.A CD (compact disc) provides 1650–1700 MB of storage space for computer data. ( )

A. 正确

B. 错误

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11.Databases can be stored on . ( )

A. 　servers

B. 　handheld computers

C. 　all of the above

D. 　personal computers

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114.A( )_produces an image by manipulatinglight within a layer of liquid crystal cells.( )

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