Which of the following is not an essential component of a communication system?Question 7Answera.Sourceb.Receiverc.Transmitter

The question seems to be incomplete. The options for the question "Which of the following is not an essential component of a communication system?" are given as "Source", "Receiver", and "Transmitter". However, all these three are indeed essential components of a communication system. The source is where the message originates, the transmitter sends the message, and the receiver is the destination of the message. Without any of these components, communication cannot occur. Therefore, based on the provided options, none of them can be considered as a non-essential component of a communication system. Please provide the complete list of options to answer your question accurately.