MODEM分别是由单词Modulate(调制)和Demodulate(解调)组合成的。MODEM的传统功能是接收计算机要传送的数据,设法转换成适合在电话网上传送的模拟信号,经接收方的MODEM再转换成计算机能够识别并接收的数字信号。近两年来,随着各种电信新业务的出现,MODEM的功能也越来越多。人们可以通过MODEM上网;用 MODEM is a combination of the words Modulate and Demodulate. The traditional function of the MODEM is to receive the data to be transmitted by the computer, try to convert it into an analog signal suitable for transmission on the telephone network, and then convert it into a digital signal that can be recognized and received by the computer through the MODEM of the receiver. In the past two years, with the emergence of various new telecom services, MODEM has more and more functions. People can access the Internet through MODEM;