● 浏览器与WWW服务器之间传输信息时使用的协议是___(63)___。
（63）A．HTTP B．HTML C．FTP D．SNMP
● MAC地址通常固化在计算机的___(64)___上。
（64）A．内存 B．网卡 C．硬盘 D．高速缓冲区
● 在局域网模型中，数据链路层分为___(65)___。
（65）A．逻辑链路控制子层和网络子层
B．逻辑链路控制子层和媒体访问控制子层
C．网络接口访问控制子层和媒体访问控制子层
D．逻辑链路控制子层网络接口访问控制子层
● A ___(66)___ computer is a personal computer whose hardware is capable of using any or all of the following media in a program: audio, text, graphics, video and animation.
（66）A．database B．multimedia C．network D．mainframes
● The___(67)___ controls the cursor or pointer on the screen and allows the user to access commands by pointing and clicking.
（67）A．graphics B．printer C．program D．mouse
● A ___(68)___ copies a photograph, drawing or page of text into the computer.
（68）A．scanner B．printer C．display D．keyboard
● ___(69)___ is permanently stored in the computer and provides a link between the hardware and other programs that run on the PC.
（69）A．Interface B．Operating system C．Internet D．Application software
● ___(70)___ is not a linear structure
（70）A．Graph B．Queue C．Stack D．1-dimension array
● ___(71)___ is the sending and receiving of the message by computer. It is a fast, low-cost way of communicating worldwide.
（71）A．LAN B．Post office C．E-Mail D．Interface
● The___(72)___ is a collection of computers connected together by phone lines that allows for the global sharing information.
（72）A．interface B．Internet C．LAN D．WWW
● ___(73)___ are web sites that search the web for occurrences of a specified word or phrase.
（73）A．Search engines B．WWW C．Internet D．Java
● Files can be lost or destroyed accidentally. Keep ___(74)___ copies of all data on removable storage media.
（74）A．backup B．back C．black D．backdown
● In ___(75)___ programming, the user determines the sequence of instructions to be executed, not programmer.
（75）A．top-down B．structure C．data-driven D．event-driven
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