考研英语阅读背景词汇集锦Unitl科普类accesstime存取时间anti-virusprograms杀毒软件assembler汇编程序barcode条形码beeper传呼机bufferstorage缓冲存储器callinstruction呼叫指令cellular手机comsat通讯卫星cordlesstelephone无绳电话cursor光标cybercrimes网上犯罪cyberspace电脑空间,网络世界desktop台式计算机digitaltelevision数字电视electroniccontrol电子控制electronichearingaid电子助听器encryption加密fast-forward(放录像带等时的快进)fiberoptictechnology光纤技术firewall防火墙flatpaneldisplay平板显示技术floppydisk软盘geneticengineering基因工程hacker黑客identifier标识符intelligentsystem智能系统intranet内联网IT-industry信息产业jumbotran(电视机的)超大屏幕know-how(技术)诀窍laser激光long-distanceeducationalsystem远程教育系统microprocessor微处理机minicomputer小型计算机modem调制解调器multimedia多媒体multimedialearningsystem多媒体学习系统netsurfed网虫on-1ineservice网上服务palmtop(:PDA)掌上电脑password.PIN(:personalidentificationnumber)密码portable便携式计算机snooper窥探者softwarepackage软件包solarcollector太阳能收集器t