Modem - an abbreviated term for " modulator - demodulator . " a modem converts digital signals into analog signals ( and vice versa ) , enabling computers to send and receive data over the telephone networks 調(diào)制解調(diào)器- -是“調(diào)制器和解調(diào)器”的縮寫。調(diào)制解調(diào)器可將數(shù)字信號轉(zhuǎn)換成模擬信號(反之亦然) ,能使電腦在電話網(wǎng)上發(fā)送和接收數(shù)據(jù)。