Advantages of analog communication & Radio wave transmission

Advantages of analog communication over digital communication are:

a.) Data rate is low
b.) Less transmission bandwidth is required
c.) Synchronization is not needed
d.) All of the above

Correct Answer: d.) All of the above


Due to analog to digital conversion, the data rate becomes high in digital communication. So the transmission bandwidth is also increased. Digital transmission also needs synchronization in certain applications which is not needed in case of analog communication systems.

Radio waves travel through

a.) Electromagnetic waves
b.) Water
c.) Wires
d.) Fiber optic cable

Correct Answer: a.) Electromagnetic waves


Radio communication or wireless communication takes place through electromagnetic waves.

The message is transmitted through open space via electromagnetic waves or radio waves. The waves are transmitted in the open space through antenna after processing of signal.
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