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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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单选题

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93.Most antivirus software runs . ( )

A、　on scheduled dates

B、　only when you choose to run it

C、　continuously whenever your computer is turned on

D、　continuously even if your computer is turned off

答案：C

计算机期末复习练习2

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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86.Databases can be stored on . ( )

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25.Software applies , also called algorithms(算法), to process data. ( )

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20.A computer network can encompass as few as one or as many as thousands of computers. ( )

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149.Circuitry for Ethernet or Wi-Fi networking is incorporated into the_of most personal computers.

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

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129.Most database software includes tools to create all of these EXCEPT_

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63.A computer is a portable computing device featuring a touch-sensitive screen that can be used as a writing or drawing pad. ( )

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115.The resolution for many early PC displays was referred to as_.( )

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147.An Ethernet cable is similar to a( )_, but has a slighter larger plastic snap-in plug. A. cable television cable

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单选题

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计算机期末复习练习2

93.Most antivirus software runs . ( )

A、　on scheduled dates

B、　only when you choose to run it

C、　continuously whenever your computer is turned on

D、　continuously even if your computer is turned off

答案：C

相关题目

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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86.Databases can be stored on . ( )

A. 　all of the above

B. 　personal computers

C. 　servers

D. 　handheld computers

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25.Software applies , also called algorithms(算法), to process data. ( )

A. 　procedures

B. 　objects