Q: What is Frequency Division Multiplexing (FDM) in communication systems?

A A method of transmitting multiple signals simultaneously over different frequency bands
B A technique for converting digital signals to analog signals
C A process of amplifying signals
D A way to measure the strength of a signal
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Answer: A

Explanation:

Frequency Division Multiplexing (FDM) is a technique that allows multiple signals to be transmitted simultaneously over a single communication channel by assigning each signal a different frequency band. This method is widely used in radio broadcasting, telecommunication systems, and cable television to maximize the use of available bandwidth and improve efficiency. FDM ensures that signals do not interfere with each other by maintaining distinct frequency ranges, allowing for concurrent transmission and reception of multiple data streams.

Electronic Devices and Communication System

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Q: What is Frequency Division Multiplexing (FDM) in communication systems?

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