专业技术初级资格程序员基础知识2003年程序员考试上午试题

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• 51●1OOBASE-TX makes use of two pairs of twisted pair cable, one pair used for transmission and the other for__(72)___.

  A.reception

  B.detection

  C.relation

  D.Connection

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• 52●A typical peripheral device has __(73)__ which the processor uses to select the device's internal registers.

  A.data

  B.a control

  C.a signal

  D.an address

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• 53●Each instruction is processed sequentially, and several instructions are at varying stages of execution in the processor at any given time, this is called instruction __(74)__.

  A.executing

  B.sequencing

  C.pipelining

  D.Producing

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• 54●Which one of these statements about connecting to the Internet is true、 __(75)__

  A.The Internet can only be used to link computers with same operating system

  B.The Internet can be used to connect computers with different ISP

  C.You must have a modem to connect to the Internet

  D.You must have a telephone line to connect to the Internet

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