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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

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单选题

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127. A proprietary version of MP3,designated as ,is used for iTunes music.( )

A、　MP4

B、　M4P

C、　PM4

D、　P4M

答案：B

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.” ( )

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141.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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79.File shrinks the size of a file so it requires less storage space. ( )

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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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52.High-speed printers, optical character readers, computer-controlled robots, package scanners, and UPC scanners can all be considered peripheral devices.

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

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64.In addition to a display device, such as a monitor, a computer display system also requires graphics that generates the signals for displaying an image on the screen. ( )

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48.True LED screens have a bright, crisp image and use less power that LCDs.对

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56.A standard desktop computer includes a as its primary pointing device. ( )

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

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

127. A proprietary version of MP3,designated as ,is used for iTunes music.( )

A、　MP4

B、　M4P

C、　PM4

D、　P4M

答案：B

相关题目

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

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141.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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79.File shrinks the size of a file so it requires less storage space. ( )

A. 　compression

B. 　defragmenting

C. 　synthesizing

D. 　scanning

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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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52.High-speed printers, optical character readers, computer-controlled robots, package scanners, and UPC scanners can all be considered peripheral devices.

A. 正确

B. 错误

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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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64.In addition to a display device, such as a monitor, a computer display system also requires graphics that generates the signals for displaying an image on the screen. ( )

A. 　ports

B. 　algorithms

C. 　switchboards

D. 　circuitry

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48.True LED screens have a bright, crisp image and use less power that LCDs.对

A. 正确

B. 错误

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56.A standard desktop computer includes a as its primary pointing device. ( )

A. 　keyboard

B. 　both a. and b.