1. Source (Information Source): Generates the information to be transmitted. 2. Encoder: Converts the information into a signal suitable for transmission. 3. Transmission Medium: Carries the signal from the source to the destination. 4. Decoder: Reconverts the signal back into the information that the source generated. 5. Destination (Information Sink): Receives and utilizes the information transmitted. 6. Noise: Any unwanted disturbance that interferes with the signal during transmission. 7. Feedback: Sends information back from the destination to the source to provide information about the transmission.