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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

)

42.Screen brightness can be measured as . ( )

A、　contrast ratio

B、　either a. or b.

C、　luminance

D、　neither a. nor b.

答案：B

计算机期末复习练习2

55.A computer device uses digital light processing technology to display a computer-generated image on a large-size screen. ( )

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71.A is basically a wireless local area network that provides access to guests using notebook computers, PDAs, or other mobile devices. ( )

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4.Most computers include a CD drive or DVD drive that uses a magnet to read data stored on plastic-coated CDs and DVDs.} ( )

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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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41.Standalone LCDs are a popular type of display for desktop computers.

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75.A user interface displays controls and commands as pictures that users can manipulate with a mouse or other pointing device. ( )

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26.The mouse is the most important input device on desktop and notebook computers. ( )

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6. software is popular for converting music from CDs into a digital format that can be stored on a computer. ( )
hard disk.

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20.Digital audio is stored in a variety of file types, including all of these EXCEPT: . ( )

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101.The domain is restricted to U.S. military agencies. ( )

题目内容

(

单选题

)

手机预览

计算机期末复习练习2

42.Screen brightness can be measured as . ( )

A、　contrast ratio

B、　either a. or b.

C、　luminance

D、　neither a. nor b.

答案：B

相关题目

55.A computer device uses digital light processing technology to display a computer-generated image on a large-size screen. ( )

A. 　Video

B. 　display

C. 　film

D. 　Projection

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71.A is basically a wireless local area network that provides access to guests using notebook computers, PDAs, or other mobile devices. ( )

A. 　Wi-Fi hotspot

B. 　Bluetooth Center

C. 　WAP

D. 　LAN

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4.Most computers include a CD drive or DVD drive that uses a magnet to read data stored on plastic-coated CDs and DVDs.} ( )

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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41.Standalone LCDs are a popular type of display for desktop computers.

A. 正确

B. 错误

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75.A user interface displays controls and commands as pictures that users can manipulate with a mouse or other pointing device. ( )

A. 　flash

B. 　graphical

C. 　video

D. 　photographic

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26.The mouse is the most important input device on desktop and notebook computers. ( )

A. 正确

B. 错误

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6. software is popular for converting music from CDs into a digital format that can be stored on a computer. ( )
hard disk.

A. 　MP3

B. 　WAV

C. 　SP3

D. 　SAV

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20.Digital audio is stored in a variety of file types, including all of these EXCEPT: . ( )

A. 　MP3

B. 　WAV

C. 　MP4

D. 　M4P

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101.The domain is restricted to U.S. military agencies. ( )

A. 　army

B. 　Mil

C. 　us

D. 　Gov

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