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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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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

答案：A

计算机期末复习练习2

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

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98.Wireless signals can be disrupted by . ( )

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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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144._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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46.High-speed printers,optical character readers,computer-controlled robots, package scanners, and UPC scanners can all be consider.

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84.Each connection point on a network is referred to as a . ( )

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8.Architects and engineers typically use digitizing tablets to transfer points from paper-based drawings into digital format. ( )

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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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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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37.Architects and engineers typically use digitizing tablets to transfer points from paper-based drawings into digital format.

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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.” ( )

A、正确

B、错误

答案：A

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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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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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95.Digital audio is music, speech, and other sounds represented in format for use in digital devices. ( )

A. 　neither a. nor b.

B. 　analog

C. 　binary

D. 　both a. and b.

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144._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. 　Links

C. 　Reports

D. 　Queries

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46.High-speed printers,optical character readers,computer-controlled robots, package scanners, and UPC scanners can all be consider.

A. 正确

B. 错误

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84.Each connection point on a network is referred to as a . ( )

A. 　router

B. 　node

C. 　client

D. 　server

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8.Architects and engineers typically use digitizing tablets to transfer points from paper-based drawings into digital format. ( )

A. 正确

B. 错误

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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

点击查看答案

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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37.Architects and engineers typically use digitizing tablets to transfer points from paper-based drawings into digital format.

A. 正确

B. 错误

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