●A __(70)__ is a feature of the system or a description of something the system is capable of doing in order to fulfill the system's purpose.

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• 1●The following suggestions increase 'programs' __(68)__ and make them easier to__(69)__:1．Use a standard indention technique, blank lines, form feeds, and spaces.2．Insert plenty of comments into your code.

  A.reliability

  B.security

  C.readability

  D.usability

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• 2●The error messages given by a C compiler show the message text, the mostcommon cause of the error, and a suggestion for __ (67)__ the error.

  A.updating

  B.fixing

  C.changing

  D.Editing

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• 3●__(66)__is a sequence of letters and digits, the first character mustbe a letter.

  A.An identifie

  B.A string

  C.An array

  D.program

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• 4●如果通过局域网连接Internet，需要设置TCP／IP协议的属性，其中需要指定3个IP地址，即本机地址，__(64)__地址和__(65)__的地址。

  A.默认网关

  B.交换机

  C.TCP服务器

  D.远程访问服务器

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• 5●某实验室要建立一个20台微机组成的局域网，从节约费用的角度来看，宜采用最通用的__(61)__，采用HUB和双绞线进行连接，使用的网络拓扑结构是__(62)__，HUB与微机工作站之间的最长距离为__(63)__米。

  A.以太网

  B.令牌环网

  C.令牌总线网

  D.双总线网

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• 6●__(71)__ is a set of specifications and software that allow small programs or software components to work together.

  A.ActiveX

  B.XML

  C.HTML

  D.DBMS

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• 7●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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• 8●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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• 9●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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• 10●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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