单项选择题
Which of the aspects of telecommunication is NOT mentioned in the passage
A．Current development.
B．Transmission of message.
C．Computer networking.
D．Government regulation.
点击查看答案
<上一题
目录
下一题>
热门
试题
单项选择题
According to the passage, ______ has become the driving force for the development of telephone system
A．information technologies
B．Internet
C．PC
D．convergence of telecommunications technologies
点击查看答案
单项选择题
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B．It will be out of date soon.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.
点击查看答案
相关试题
human
interacting
cameras
vision
easy