●CDDI的英文全称是(1)。 (1)A.copper distributed data interface B.COM distributed datainteraction C.CORBA distributed data interface D.Copper distributed data interaction 答案:(1)A 解析:铜线分布式数据接口。 ● A local area network(LAN)is the communication of a number of computers by(2)connecting to each one in a single location,usually a single floor of a building or all the computers in a small company. (2)A.1ine B.cable C.copper D.copper cash 答案:(2)B 解析:一个局域网通常是由一些分布在某个建筑物的一层或者一个小公司中的计算机通过电缆连接起来的一个通信实体。 ●The standard(3)in C language contain many useful functions for input and output,string handling,mathematical computations,and system programming tasks. (3)A.database B.files C.1ibraries D.subroutine 答案:(3)C 解析:C语言标准库中包含很多有用的函数,由输入、输出函数。字符串函数,数学计算函数和系统调用函数。 ●The OSI(4)model,sometimes also called ISO or 7 layers reference model for communication.has been developed by the International Standards Organization in early l980’s. (4)A.referent B.reference C.Referance D.referring 答案:(4)B 解析:用于通信的0SI叁考模型,也被成为IS0或者七层参考模型早在1980年代就由估计标准组织提出来了。 ●If your diskette has been(5),the computer can not store any new information on it. (5)A.formatted B.write protected C.tested D.Certified 答案:(5)B 解析:如果你的磁盘被设置了写保护,那么你的计算机将不能存储新的内容。