Multiple choice Directions: What is the full form of the abbreviation given in bold? FDM Friendly Distributed Modulation Functionally Distributed Modulation Flawless Division Modulation Frequency Division Multiplexing Reveal answer Fill a bubble to check yourself D Correct answer Explanation Frequency Division Multiplexing (FDM) is a technique where the total bandwidth available in a communication medium is divided into a series of non-overlapping frequency sub-bands.