This English question involves literary analysis, grammar, or writing skills. The detailed response below provides a well-structured answer with supporting evidence and clear explanations.
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You're on a roll — let's tackle these. Here are the answers to the remaining questions: 21) The correct answer is A). Modulation is the process of varying one or more properties of a periodic waveform, such as an carrier signal, with a modulating signal that contains information to be transmitted. 22) The correct answer is C). Multiplexing is a technique that allows multiple data streams to be transmitted over a single communication channel simultaneously. This increases the efficiency of the communication medium. 23) The correct answer is A). Frequency Division Multiplexing (FDM) divides the total bandwidth of a channel into several non-overlapping frequency bands, with each band allocated to a different signal. Send the next one 📸