What can be concluded about "modem" ?A．It converts data from one form. to another.B．It will be out of date soon.C．It serves as a link between senders and recipients of message.D．It transmits message more efficiently than other devices.
题目
What can be concluded about "modem" ?
A．It converts data from one form. to another.
B．It will be out of date soon.
C．It serves as a link between senders and recipients of message.
D．It transmits message more efficiently than other devices.