专业技术初级资格程序员基础知识2008年下半年程序员上午试卷

试卷预览

• 51● ARP 协议的功能是 (70) 。

  A.由目标的IP 地址求目标的MAC 地址

  B.由目标的MAC 地址求目标的IP 地址

  C.由源的IP 地址求源的MAC 地址

  D.由源的MAC 地址求源的IP 地址

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• 52● As an operating system repeatedly allocates and frees storage space, many physically separated unused areas appear. This phenomenon is called (71) .

  A.fragmentation

  B.compaction

  C.swapping

  D.paging

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• 53● To document your code can increase program (72) and make program easier to(73).

  A.reliability

  B.security

  C.readability

  D.usability

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• 54● We can use the word processor to (74) your documents.

  A.edit

  B.compute

  C.translate

  D.unload

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• 55● A (75) infected computer may lose its dat

  A.A.file

  B.data base

  C.virus

  D.program

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