Which among the following is considered a line-of-sight communication medium?
A: Broadcast radio
B: Satellite
C: Bluetooth
D: Microwave
A: Broadcast radio
B: Satellite
C: Bluetooth
D: Microwave
举一反三
- Which is wrong among the following statements about satellite communication? A: Satellite communication has a large communication distance and a wide coverage range B: It is easy to realize broadcast communication and multiple access communication by using satellite communication C: The advantages of satellite communication are that it is not affected by climate and its bit error rate is very low D: High communication cost and large delay are the shortcomings of satellite communication
- Which of the following is not considered as old media? A: TV B: Radio C: Magazines D: Electronic reading materials
- Which of the following is an example of a simplex transmission? A: Two way radio B: Television broadcast C: Point Coordination Function (PCF) D: None of the above.
- 中国大学MOOC: Which of the following is not among the seven elements in the communication process of public speaking?
- Which of the following is not among the seven elements in the communication process of public speaking? A: Speake B: Listene C: Nois D: Weather